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ID: 255040
Dr. G. K. Noble and family, June, 1925
ID: 131974p
William Douglas Burden, Island of Komodo, 1926
ID: 2A20974
ID: 268582
William J. Morden with goatskin coat and dogskin hat, Morden-Clark Asiatic Expedition, 1926
ID: 268584
William J. Morden with goatskin coat and dogskin hat, 1926
ID: 266239
Expedition camp near Peyik [Beyik] Pass, Pamir Mountains, China, 1926
ID: 266241
William J. Morden outside yurt at expedition camp, Peyik [Beyik] Pass, Pamir Mountains, 1926
ID: 266242
William J. Morden, expedition camp near Peyik [Beyik] Pass, American flag and Explorers' Club flag in foreground, Pamir Mountains, China, 1926
ID: 266316
William J. Morden wearing sheep skin coat given him by Russian officer, Pamir Mountains, Tajikistan, 1926
ID: 266317
James L. Clark wearing sheep skin coat given him by Russian officer, Pamir Mountains, Tajikistan, 1926
ID: 266384
Expedition leader William J. Morden on yak, Pamir Mountains, Tajikistan
ID: 266643
Poli country, Morden and Clark traveling through deep snow on yaks, Russian Pamirs, 1926
ID: 330589
Carl Akeley in his studio, American Museum of Natural History, 1926
ID: 338497
W. Douglas Burden (left) with F. J. Defosse on the Island of Komodo, 1926
ID: 311321
Mr. Carl E. Akeley and Mrs. Mary Jobe Akeley, American Museum of Natural History, 1926
ID: 259088
Dr. Frank E. Lutz, Director of the Station for the Study of Insects (SSI) at Harriman State Park, July 28, 1926
ID: 259086
Dr. Frank. E. Lutz, near Tuxedo, New York, July 28, 1926
ID: 259087
ID: 259089
ID: 311654
ID: 110697
Walter Granger, Associate Curator of Vertebrate Paleontology, March, 1927
ID: 265347
Albert Thomson and Chinese men covering bones of "Baron Sog monster" with burlap and flour paste, Mongolia, 1928
ID: 411042
Roy Chapman Andrews with guide scanning desert for trails leading east, Mongolia, 1928
ID: 410929
Expedition staff in the field, Mongolia, 1928
ID: 410931
Members of Third Asiatic Expedition listening to Victrola outside tent, Mongolia, 1928
ID: 410905
Outside the wall of Wan Chuan Hsien, Roy Chapman Andrews with MacMurray, colonel of the Chinese cavalry, and aide, escorted out of Kalgan, 1928
ID: 410934
Roy Chapman Andrews holding baby antelope caught by J. McKenzie Young, Mongolia, 1928
ID: 410926
Roy Chapman Andrews at elephant camp in the Gur-Tung-Khara region, Mongolia, 1928
ID: 410906
Members of the expedition at Chang Pei Hsien, first night's stopping place after leaving Kalgan, Mongolia, 1928
ID: 410927
Roy Chapman Andrews, leader of Central Asiatic Expedition, 1928
ID: 411310
ID: 410910
The American Minister's party and members of the expedition at Chang Pei Hsien, on the plateau above the pass, first night's stopping place after leaving Kalgan, Mongolia, 1928
ID: 410933
Roy Chapman Andrews feeding two pet eagles in camp at Turtyn Albo, Mongolia, 1928
ID: 410963
Alonzo W. Pond explaining to Roy Chapman Andrews the stone Dune Dweller implements found just South of Baron Sog in the Shara Muren region, Mongolia, 1928
ID: 411019
Buckshot, Lu Taling, Walter Granger, and Albert Thomson (left to right) packing fossils at Hospital Camp (Dar Ser Hai), Mongolia, 1928
ID: 411083
Roy Chapman Andrews in the badlands of Urtyn Obo, Mongolia, 1928
ID: 410930
Staff of the Central Asiatic Expedition in the field, Mongolia, 1928
ID: 411053
Listening to time signals sent from a radio station in Manila, at expedition camp, Mongolia, 1928
ID: 411054
Listening to time signals sent from a radio station in Manila at expedition camp, Mongolia, 1928
ID: 411055
Captain William P.T. Hill and Walter Granger determining location by the sun, Mongolia, 1928
ID: nnc1_5901
Canoe near schooner Effie M. Morrissey, Arctic Ocean, 1928
ID: nnc1_5911
Canoes landing ashore, Stoll-McCracken Expedition, near the Arctic Ocean, 1928
ID: nnc1_5917
Canoes and expedition team landing ashore, near the Arctic Ocean, 1928
ID: nnc1_5920
Stoll-McCracken Expedition team landing ashore, near the Arctic Ocean, 1928
ID: nnc1_5921
Steering the schooner Effie M. Morrissey, Arctic Ocean, 1928
ID: nnc1_5922
Expedition team aboard the schooner, Effie M. Morrissey, Arctic Ocean, 1928
ID: nnc1_5950
Navigating aboard the schooner, Effie M. Morrissey, Alaska, 1928
ID: nnc1_5956
Expedition team aboard the schooner, Effie M. Morrissey, Alaska, 1928
ID: nnc1_5963
Expedition team, Stoll-McCracken Siberian Arctic Expedition, Alaska, 1928
ID: nnc1_5964
ID: nnc1_5965
ID: nnc1_6009
In the canoe, Alaska, 1928
ID: ptc-5494
Roy Chapman Andrews and William P. T. Hill mapping Badlands, Mongolia, Central Asiatic Expedition, 1928
ID: 265267
L. Erskine Spock, geologist, in the field, 1928
ID: 115761
Rollo Howard Beck arranges crest on pigeon while group looks on, Meganum, (Madang Province), Papua New Guinea, 1928
ID: 115762
[Rollo Beck] at work while boys look on, Meganum, (Madang Province), Papua New Guinea, 1928
ID: 115673
Rollo Howard Beck reaches kingfisher nest in tree, Meganum, (Madang Province), Papua New Guinea, 1928
ID: 312108
Bust of Albert Bickmore, Bickmore Hall, School Service Building, 1928
ID: 261583
George C. Vaillant, 1974
ID: 312488
Coral Reef Group under construction with Chris E. Olsen and machinist Lewis working on specimen, February, 1928
ID: 312210
George H. Lutz and his portable reflecting telescope, 1928
ID: 312211
George H. Lutz and Peter Kahn with portable reflecting telescope built by Lutz, 1928
ID: 312212
ID: 312214
George H. Lutz posing with stellite mirror from his reflecting telescope, 1928
ID: 312215
George H. Lutz and a stellite mirror made by him for his reflecting telescope, 1928
ID: 410912
Party at the top of Kalgan Pass, Mongolia, April 16, 1928
ID: 312361
Expedition members aboard the Morrissey, Alaska, June, 1928
ID: 110999
Dr. Frank M. Chapman, October, 1928
ID: 312408
Edward Drinker Cope [1876]
ID: 312546
Dr. Bashford Dean, American Museum of Natural History, 1928
ID: 411309
Roy Chapman Andrews, Mongolia, about 1928
ID: 314960
Blazing the Trail and the Distant Past, painting by Arthur A. Jansson, 1929
ID: 2A10328
Austin Rand and Richard Archbold outside Museum before Madagascar Expedition, 1929
ID: 313224p
Margaret Wiesenberg and her reflecting telescope, 1929
ID: 313225p
ID: 117633p
John Treadwell Nichols, 1929
ID: 115752
Group watching Rollo Howard Beck work, Zagaheme, Papua New Guinea, 1929
ID: 312800p
Reed Warner receiving scroll of Honorary Membership in the Amateur Astronomers Association from Clyde Fisher President, 1929
ID: 312799
Letter dated April, 1929 from Albert Einstein to Walter E. Mayer
ID: 312962
Sketch of Naosaurus cruciger, Dimetrodon and Edaphosaurus Cope, by Edward Drinker Cope, 1886
ID: 312963
Edward Drinker Cope's 1889 drawing of Monoclonius spenocerus, New York
ID: 273081
Mayr, Coultas, Eyerdam, and Hamlin on deck of the France off Choiseul Island, Solomon Islands, 1929
ID: 271403
Dr. Ronald Olson, Department of Anthropology, 1929
ID: 312991
Luncheon of the Department of Preparation, American Museum of Natural History, November 19, 1929
ID: 120397
Mr. Clark fitting animal skin on clay model of lion, 1930
ID: 120398
ID: 120409
Removing Indian lion manikin from plaster mold, 1930
ID: ls4-23
Roy Chapman Andrews, Albert Thomson, and Walter Granger with fossils on the floor of the laboratory, Peking headquarters, 1930, (original negative by Mr. Timperley of Manchester Guardian)
ID: 274528
ID: 272128
Dr. George G. Simpson, 1930
ID: 313271
Bashford Dean memorial tablet, Fossil Fish Hall, 1930
ID: 129041
Louise Waller Germann and John C. Germann assembling dinosaur skeleton, American Museum of Natural History, [1930-1940]
ID: ptc-5408
Barnum Brown examining outcrop during collecting foray, from hand-colored lantern slide, ca. 1930's
ID: 337337
Childs Frick and Peter Kaisen with mammoth, bison, and lion skulls, ca. 1930
ID: ptc-5410
Dinosaur research collection temporarily laid out on floor, 1930s
ID: 313625
Harold E. Anthony, Curator of Mammalogy, May, 1931
ID: 313947
Dr. Clyde Fisher and children looking at Ahnighito, the Cape York meteorite, [Grand Gallery], June, 1932
ID: 313948
Dr. Clyde Fisher and children with Ahnighito, the Cape York meteorite, Grand Gallery, June, 1932
ID: 314066
Raymond B. Potter placing birds in Congo Bird Group, Hall of Birds of the World, 1932
ID: 314048
Mineralogist, Herbert P. Whitlock with class in the Gems and Mineral Hall, 1932