Adze, from Samoa (left) and Tahiti (right), top view, 1927 

Medal presented to Lincoln Ellsworth by the American Scientific and Historic Preservation Society and the American Museum of Natural History, January 21, 1927 

Children viewing Brontosaurus (Apatosaurus) exhibit, 1927 

Children viewing exhibit, Nature Room, 1931 

Children viewing Wild Cat Group, 1927 

Class in School Nature League room, 1927 

Children viewing Wild Cat Group, 1927 

Chart: Increase in the Number of Motion Picture Reels Lent to New York City Schools, 1922-1927 

Medal presented to Roald Amundsen and Lincoln Ellsworth by the American Scenic and Historic Preservation Society and American Museum of Natural History, Lincoln Ellsworth Exhibit, January 21, 1927 

Studying coral and shells, Nature Room, School Service Building, 1927 

Children receiving a lesson on Earth and Neighbor Worlds, 1927 

Children studying Apatosaurus, Dinosaur Hall, 1927 

How does the beaver cut the trees down? children viewing exhibit, 1927 

Medal presented to the American Museum of Natural History by the American Science and Historic Preservation Society to commemorate the Polar flight of Roald Amundsen and Lincoln Ellsworth, 1926 

Children studying a rhinoceros model, 1927 

Children in a sight conservation class receiving lesson on The Story of Our Furs, Room 204, School Service Building, 1926 

Dramagraph for viewing motion pictures, featuring Pottery Making on the Rio Grand, 1930 

Children from Public School 38 presenting silver loving cup to Dr. George Sherwood, 1931 

Chart: Increase in the Number of Separate Loans of Lantern Slides to New York City Schools, 1922-1927 

Children viewing display of pelican mother feeding its young, 1927