Chicago, Illinois. Engine pulling train out of a classification yard t...
Picryl description: Public domain image of a locomotive, train cars, railroad tracks, railway, 19th-20th century, free to use, no copyright restrictions.
Chicago, Illinois. General view of the north classification yard at an...
Picryl description: Public domain image of a coal mine, industrial facility, mining industry, early 20th-century industrial architecture, free to use, no copyright restrictions.
Chicago, Illinois. General view of south classification yard at an Ill...
Picryl description: Public domain image of a coal mine, industrial facility, mining industry, early 20th-century industrial architecture, free to use, no copyright restrictions.
War production drive committee of technical experts. The war productio...
Title continues, left to right: John L. Savage, Chief Designing Engineer, U.S. Bureau of Reclamation, Denver, Colorado; Dr. Robert F. Blanks, Chief of Testing Laboratories, Bureau of Reclamation, Denver, Colora... More
Chicago, Illinois. Retarder operator in his tower at the hump in the C...
Public domain photograph - working class people, the 1930s United States, work, labor, worker, free to use, no copyright restrictions image - Picryl description
Chicago, Illinois. Switching cars in one of the Chicago and Northweste...
Public domain photograph of 1930s-1940s train station, train car, no copyright restrictions image - Picryl description
Approved Insignia for: 3507th AIRMAN Classification Squadron
The original finding aid described this photograph as: Country: Unknown Scene Camera Operator: Unknown Release Status: Released to Public Combined Military Service Digital Photographic Files
A crewman monitors a mine detection and classification console aboard ...
The original finding aid described this photograph as: Base: USS Conquest (MSO 488) Scene Camera Operator: PH2 Mike Harnar, USN Release Status: Released to Public Combined Military Service Digital Photographic Files
A wall with many different colored masks on it. Hans boodt mannequin f...
Stock photography: A wall of masks on display / A wall with many different colored masks on it.
A stone with a compass drawn on it. Compass sextant navigation.
A stone with a star carved into it / A star on a rock with a candle in it / Public domain stock photo of a candle light.
A green and white clock with roman numerals. Logo characters clock, bu...
A clock with roman numerals on a green background / A green and white clock with roman numerals / Public domain stock illustration.
Tree of library classifications
Photographic reproduction of drawing shows the Library of Congress classification system prepared by Thomas Jefferson. On recto: "The Library is divided into 44 chapters. The system of classification was origi... More
Die Klassen und Ordnungen des Thier-Reichs (9390752419)
Mal acozoa (üpisthobrajichia) Taf.LXVI C. Rübsamen Utk . Til^ Creuzbcuter's Drtuker. Carlsr.
Die Klassen und Ordnungen des Thier-Reichs (9390777335)
MaJacozoa Prosobrauchia.) Taf.LXXIX Public domain scan - Mollusc, 19th-century zoological illustration print, free to use, no copyright restrictions image - Picryl description Public domain scan - Mollus... More
Elements of the science of botany (9901969533)
CLASS XIX E CHE^OiPS S.PH^IlOr.EPHAI,rS Public domain scan - 19th-century botanical illustration, free to use, no copyright restrictions image
Historiae naturalis de quadrupedibus libri (Tab. XXVI) (8595961764)
'TruXa, Hot rForct ToretU ^Fort iSchniertemdorjv • ^rundcleic * l Stenc Jiifjfer Public domain photograph of 17th-century zoological illustrations, free to use, no copyright restrictions image - Picryl description
Historiae naturalis de quadrupedibus libri (Tab. XXVII) BHL40918121
Historiae naturalis de quadrupedibus libri : cum aeneis figuris Public domain photograph of zoological illustration, free to use, no copyright restrictions image - Picryl description
Illustrations of the natural orders of plants with groups and descript...
74- c^m ^w Ja. 3h y m * I fp m la. lb 4a. ^y ,^. ea, 6 b Ic E.T.deL The- McbdAer Tribe' Day .i. ■Soro. Limdedy
Illustrations of the natural orders of plants with groups and descript...
Illustrations of the natural orders of plants with groups and descriptions. Reduced from the original folio ed.
Photograph of Mrs. Chester E. Johansen Filing New Classification Card ...
Historic Photograph File of National Archives Events and Personnel Public domain photograph related to history of the US National Archives, free to use, no copyright restrictions image - Picryl description
Chicago, Illinois. The hump and classification yards at a Chicago and ...
Public domain photograph of United States countryside, nature, during 1930s, free to use, no copyright restrictions image - Picryl description
Chicago, Illinois. South classification yard seen from retarder operat...
Picryl description: Public domain photograph of an office worker, 1930s, free to use, no copyright restrictions.
A caboose rolling down the hump to join its train in a classification ...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Sandusky, Ohio. Trains being made up in the classification yard to go ...
Picryl description: Public domain image of railway tracks, train station, railroad building, free to use, no copyright restrictions.
Sandusky, Ohio. A carload of coal going over the hump at the classific...
Public domain photograph of 1930s-1940s train station, train car, no copyright restrictions image - Picryl description
A port quarter view of the decommissioned guided missile cruiser USS D...
The original finding aid described this photograph as: Base: Naval Station, Mayport State: Florida (FL) Country: United States Of America (USA) Scene Camera Operator: OS2 John Bouvia Release Status: Releas... More
An energy efficiency label on a white background. Consumption energy e...
A diagram showing the energy efficiency of a green energy efficiency chart / An energy efficiency label on a white background / Public domain stock illustration.
Die Klassen und Ordnungen des Thier-Reichs (9390823735)
Malacozoa I'idmoruita TafXCIX Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
Die Klassen und Ordnungen des Thier-Reichs (Taf. XLVIII) (7070945975)
jlinphiLien. Taf.XXXXVIII ..#- 1. p**^ fcfcss •Äirv ,^^.#, ^ ' .ith. Anst V Au^ Kurtb,Lei
Die Klassen und Ordnungen des Thier-Reichs (Taf. XXVII) (7070930183)
iVjupliibicTi. Taf.xmr. 1. a. .^^^1 J ..-.si.v.j.&.Bach.leipzia .
Elements of the science of botany (9901395443)
CIAS S XI ORDER 4 N V\ k K AFONOGETOK MOE'OSTACHYOH S^^^S"
Elements of the science of botany (9901841864)
CLASS IVII ORDER 4" I SIEF'^ITr^^ ME^DTYSAIKT^I IHOEIDirSAmiUM OIHRA^S .A,^ -.^-./\
Historiae naturalis de quadrupedibus libri (Tab. VI) (8594847807)
File from The Biodiversity Heritage Library. The Biodiversity Heritage Library (BHL) is the world’s largest open-access digital library for biodiversity literature and archives. BHL is revolutionizing global re... More
Historiae naturalis de quadrupedibus libri (Tab. XXVI) BHL40918119
Historiae naturalis de quadrupedibus libri : cum aeneis figuris
Historiae naturalis de quadrupedibus libri (Tab. XXX) BHL40918127
Historiae naturalis de quadrupedibus libri : cum aeneis figuris
Illustrations of the natural orders of plants with groups and descript...
iiaA,. Ths- /.ooil£.ruXL Trill i m^ 1 W I Day ScSoro, limjXed'.
Photograph of Dr. Carl Lokke and Almon R. Wright, Division of Classifi...
Philadelphia Inquirer, Publicity Historic Photograph File of National Archives Events and Personnel
Chicago, Illinois. Cars on classification tracks at an Illinois Centra...
Public domain image of a historic building, free to use, no copyright restrictions - Picryl description
Chicago, Illinois. General view of the hump Chicago and Northwestern R...
Public domain image of a historic building, free to use, no copyright restrictions - Picryl description
A crewman monitors a mine detection and classification sonar console a...
The original finding aid described this photograph as: Country: Unknown Scene Camera Operator: PH2 Mike Harnar, USN Release Status: Released to Public Combined Military Service Digital Photographic Files
Die Klassen und Ordnungen des Thier-Reichs (9390901465)
Malacozoa rai'.CXXXK Public domain scan of drawing, mollusc, shells, 19th-century zoological illustration, free to use, no copyright restrictions image - Picryl description
Die Klassen und Ordnungen des Thier-Reichs (9393570466)
Malacozoa Prosobranchia.) Tof.LXXXVD. • 4' if ü 5 - 5C.1 jith. änsi GHomö m.ßö
Die Klassen und Ordnungen des Thier-Reichs (Taf. I) (6924832408)
Amphibi en Taf . 1 Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
Elements of the science of botany (9787680296)
File from The Biodiversity Heritage Library. The Biodiversity Heritage Library (BHL) is the world’s largest open-access digital library for biodiversity literature and archives. BHL is revolutionizing global re... More
Elements of the science of botany (9787691834)
CLASS V ORDER 7 MOITSE^TAIL MYOS I'H US M ( NTMUS g g . s~^r .
Historiae naturalis de quadrupedibus libri (8265041652)
k , f fttirra vowo^phos Public domain photograph of 17th-century zoological illustrations, free to use, no copyright restrictions image - Picryl description
Illustrations of the natural orders of plants with groups and descript...
1 'hr- Crow- too tlrih& . .'iy&. SL-H'.Lmatol Public domain scan of botanical illustration, flowers, free to use, no copyright restrictions image - Picryl description
Illustrations of the natural orders of plants with groups and descript...
J,i. .feJ'.TTT, ^;/7U/-*' ■ i Public domain scan - Flower, 19th-century botanical illustration, free to use, no copyright restrictions image
Illustrations of the natural orders of plants with groups and descript...
76 I.T.del. The- Composite^ Tribes. Defy A San^.l-ordted/. Public domain scan - 19th-century botanical illustration, free to use, no copyright restrictions image
Illustrations of the natural orders of plants with groups and descript...
Illustrations of the natural orders of plants with groups and descriptions. Reduced from the original folio ed.
Chicago, Illinois. Yard crew repairing tracks at the hump and classifi...
Public domain photograph of United States countryside, nature, during 1930s, free to use, no copyright restrictions image - Picryl description
Chicago, Illinois. In one of the Chicago and Northwestern Railroad cla...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Chicago, Illinois. General view of one of the Chicago and Northwestern...
Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description
Chicago, Illinois. One of the Chicago and Northwestern Railroad classi...
Picryl description: Public domain image of a coal mine, industrial facility, mining industry, early 20th-century industrial architecture, free to use, no copyright restrictions.
Chicago, Illinois. One of the Chicago and Northwestern Railroad classi...
Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description
Chicago, Illinois. General view of one of the Chicago and Northwestern...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Chicago, Illinois. General view of one of the Chicago and Northwestern...
Picryl description: Public domain image of a coal mine, industrial facility, mining industry, early 20th-century industrial architecture, free to use, no copyright restrictions.
Industrial plant equipment is unloaded from a C-5A Galaxy aircraft. T...
The original finding aid described this photograph as: Base: Brussels Country: Belgium (BEL) Scene Camera Operator: Beverly Lombardo Release Status: Released to Public Combined Military Service Digital Phot... More
A map of the world with stars in the background. Continents star class...
Map of the world wallpapers / A map of the world with stars in the background / Public domain stock illustration.
A group of people riding bikes down a street. Tour de france tv crew s...
A group of cyclists riding down a street / A group of bikers riding down a road public domain stock photo.
Tree of library classifications
Photographic reproduction of drawing shows the Library of Congress classification system prepared by Thomas Jefferson. On recto: "The Library is divided into 44 chapters. The system of classification was origi... More
Die Klassen und Ordnungen des Thier-Reichs (9390803481)
Malacozoa. (Prosobranchia) Taf. KC Liüi Anst .E;.iiim (
Die Klassen und Ordnungen des Thier-Reichs (9393638452)
Malaco'zoa Cephalopoda Mcxvm Public domain scan - Mollusc, 19th-century zoological illustration print, free to use, no copyright restrictions image - Picryl description Public domain scan - Mollusc, 19th... More
Elements of the science of botany (9901773904)
CHAMACTEIR OF THE CILASS 3s. OMDEMS CLASS »" Public domain scan - 19th-century botanical illustration, free to use, no copyright restrictions image
Historiae naturalis de quadrupedibus libri (Tab. IX) (8594849821)
-Td -:xxl J/ola, Tere^rina, V *AquiuL Jgectcs aliiL Public domain scan of drawing, 17th-century zoological illustration, free to use, no copyright restrictions image - Picryl description
Chemical Warfare Service - Plants - Edgewood Arsenal - Manufacturing g...
Date Taken: 9/20/1918 Chemical Warfare Service - Plants - Edgewood Arsenal
View of a classification yard at C & NW RR's Proviso yard, Chicago, Il...
Public domain image of a historic building, free to use, no copyright restrictions - Picryl description
C & NW RR, a general view of a classification yard at Proviso Yard, Ch...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Hammond, Illinois. Switchman riding a car in an Illinois Central Railr...
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.
Chicago, Illinois. General view of one of the Chicago and Northwestern...
Public domain photograph of 1930s-1940s industrial development, no copyright restrictions image - Picryl description
A group of rulers sitting on top of a table. Folding rule bers scale c...
A set of ruler shapes / A triangle ruler with a black background / Work-related public domain stock photo.
Die Klassen und Ordnungen des Thier-Reichs (9390890999)
Malacozoa Cephalopoda Taf. (XXX Public domain scan - Mollusc, 19th-century zoological illustration print, free to use, no copyright restrictions image - Picryl description
Die Klassen und Ordnungen des Thier-Reichs (9390811799)
Malacozoa. Taf.XCIV Public domain scan of zoological print or book illustration, zoology, free to use, no copyright restrictions image - Picryl description
Die Klassen und Ordnungen des Thier-Reichs (9393598768)
Malacozoa Pulmonata Tcii.C Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
Elements of the science of botany (9787543362)
I 'A K I S QFADMF OJLIA V... Public domain scan of botanical illustration, flowers, free to use, no copyright restrictions image - Picryl description
Elements of the science of botany (9901344313)
CLASS K ORDER 1 .LAUIM'^S CIMMAMOMriM y^v^-.^y\' Public domain scan - 19th-century botanical illustration, free to use, no copyright restrictions image
Elements of the science of botany (9901699744)
Dwarf LZctZi.)- CISIUS MELIAHTHJEM Public domain scan of botanical illustration, flowers, free to use, no copyright restrictions image - Picryl description
Historiae naturalis de quadrupedibus libri (Tab. XVI) BHL40918099
Historiae naturalis de quadrupedibus libri : cum aeneis figuris Public domain photograph of zoological illustration, free to use, no copyright restrictions image - Picryl description
Illustrations of the natural orders of plants with groups and descript...
'■ . iMi m V 4h I.TSLel 'j-na.ao^€S^^^ The' 1-verang FrvmroserTrihR . jjay & San^.ZifnJ^UA
Illustrations of the natural orders of plants with groups and descript...
Illustrations of the natural orders of plants with groups and descriptions. Reduced from the original folio ed.
General view of a classification yard at C & NW RR's Proviso yard, Chi...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
General view of part of classification yard at C & NW RR's Proviso yar...
Picryl description: Public domain image of railroad tracks, train car, railway, free to use, no copyright restrictions.
Chicago, Illinois. Retarder tower in the north classification yard at ...
Public domain image of a historic building, free to use, no copyright restrictions - Picryl description
Chicago, Illinois. Throwing a switch during switching operations at on...
Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description
Chicago, Illinois. General view of the north classification yard at an...
Picryl description: Public domain image of railway tracks, train station, railroad building, free to use, no copyright restrictions.
Chicago, Illinois. Train pulling out of one of the classification yard...
Public domain photograph of a steam locomotive, train car, railroad, railway, 19th-20th century, free to use, no copyright restrictions image - Picryl description
Chicago, Illinois. Switchmen during a lull in the switching at one of ...
Public domain photograph of the United States military and military-industrial complex before World War Two, 1930s, free to use, no copyright restrictions image - Picryl description
Mississippi Army National Guard (MSARNG) Sergeant (SGT) Cliff Whitted,...
The original finding aid described this photograph as: Base: Gulfport State: Mississippi (MS) Country: United States Of America (USA) Scene Camera Operator: 2LT Andy Thaggard, Msarng Release Status: Releas... More
Seaside Heights, N.J., Jan. 16, 2013 -- As piles of debris accumulate,...
The original finding aid described this as: Date Taken: 2013-01-16 00:00:00 UTC Photographer Name: Adam DuBrowa City/State: Seaside Heights, NJ Disasters: New Jersey Hurricane Sandy (DR-4086) Disaster Type... More
Die Klassen und Ordnungen des Thier-Reichs (9390805847)
Malacozoa. (Prosobranchia.) Tai. KCl. - Am. 40, s' ^ V ^ 12 2 6 30 29 ,i~^ ®3 "i!
Die Klassen und Ordnungen des Thier-Reichs (9390884699)
Malacozoa Cephalopoda Taf CXXVil. Lith..Anstv.C-.Ii Public domain scan - Mollusc, 19th-century zoological illustration print, free to use, no copyright restrictions image - Picryl description Public d... More
Die Klassen und Ordnungen des Thier-Reichs (Taf. XVI) (7070922131)
AinpJiibien. Taf.XVI. l,illi,'.nsl,JC6.cn,„f..pi.5, Public domain scan of 19th-century zoological illustration, free to use, no copyright restrictions image
Elements of the science of botany (9901818293)
A MIFiS CAFSFJL.^ "WltTM SIEIED^*^ OF TME Public domain scan - 19th-century botanical illustration, free to use, no copyright restrictions image
Historiae naturalis de quadrupedibus libri (8263964677)
Tectetv Tab.xxvn. CPhaxiaus Sauantofus Matcr . 5 $lkca. 33a!lerus . _ / 3litck &1ams . etTL arf 1.Jclftn. ■ Jiarhota- J£vv andtr art^Lrufch ■ 9 Cyprtnus . mcnfh-cfus . ta Cyprutus karpf . Cy^rtnus •... More
Illustrations of the natural orders of plants with groups and descript...
a ^J The-MalLm'Tr^Jp&- _ Dav .fe Son, hxrmJUi Public domain scan of drawing, 19th century botanical illustration, free to use, no copyright restrictions image - Picryl description
Illustrations of the natural orders of plants with groups and descript...
File from the Biodiversity Library. The Biodiversity Heritage Library (BHL) is the world’s largest open-access digital library for biodiversity literature and archives.
Illustrations of the natural orders of plants with groups and descript...
^^ 3b £r.?.v Uw Magrw Uo/Tribe- Ui^kSiii' Public domain scan - 19th-century botanical illustration, free to use, no copyright restrictions image
Illustrations of the natural orders of plants with groups and descript...
Illustrations of the natural orders of plants with groups and descriptions. Reduced from the original folio ed.