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ID: 290564
Dr. Andrews and Dr. Granger with children at microphones, Columbia School of the Air broadcast, [Hall of Mongolian Vertebrates], October 20, 1938
ID: 290565
Dr. Andrews and Dr. Granger with children under Baluchitherium head, Columbia School of the Air broadcast, Hall of Mongolian Vertebrates, October 20, 1938
ID: 286231
Dr. Roy Chapman Andrews, F. Trubee Davison, Dr. William K. Gregory, and Dr. Walter Granger beside relief model of Baluchitherium, Hall of Mongolian Vertebrates, 1936