High school group, New York State Education Program, Hall of Early Dinosaurs, 1967 

Visiting high school group, New York State Education Program, Hall of Early Dinosaurs, 1967 

High school group, New York State Education Program, Hall of Late Dinosaurs, 1967 

High school group, New York State Education Program, Hall of Late Dinosaurs, 1967 

High school group viewing Alaska Brown Bear diorama, New York State Education Program, Hall of North American Mammals, 1967 

Visiting high school group viewing bear diorama, New York State Education Program, Hall of North American Mammals, 1967 

Visiting high school group, New York State Education Program, Hall of Late Dinosaurs, 1967 

Visiting high school group, New York State Education Program, Hall of Late Dinosaurs, 1967 

Visiting high school group viewing Styracosaurus, New York State Education Program, Hall of Late Dinosaurs, 1967 

Visiting high school group viewing jaws of Carcharodon megalodon, New York State Education Program, Hall of Early Dinosaurs, 1967 

Visiting high school group, New York State Education Program, Hall of Early Dinosaurs, 1967 

Visiting high school group viewing Allosaurus, New York State Education Program, Hall of Early Dinosaurs, 1967 

Students viewing Tyrannosaurus exhibit, Dinosaur Hall, 1966 

Children studying transportation, 1917 

How an Automobile Engine Works, exhibit at children's science fa 

To Batik from Coal, children's science fair exhibit, December 1932 

Art students sketching, Peruvian Hall, 1926 

Visitors coming to attend a lecture, Hall of Northwest Coast Indians, 1956 

Blood pressure and free chest X-rays for employees, 77th Street Foyer 

Free chest X-rays for employees, 77th Street Foyer 

77th Street Foyer, employees getting X-rays 

Visitors at the Hayden Planetarium waiting for lecture after Sputnik 1, 1957 

Visitors to the Hayden Planetarium for lecture after Sputnik 1, 1957 

Art students, Akeley Hall of African Mammals, 1956 

Visitors waiting for lecture after Sputnik 1, Hayden Planetarium