scientific article published in 1934

scientific article published in 1966

[Chicago]Chicago Natural History Museum, 1951.

scientific article published in 1933

scientific article published on 22 July 1946

[Chicago]Chicago natural history museum, 1944.

popular science book by Clifford H. Pope

Chicago, 1941.

[Chicago]1948.

article by Clifford H. Pope and R. Marlin Perkins, published Nov., 1944

scientific article published in 1929

scientific article published in 1928

scientific article published on 30 December 1946

scientific article published on 31 December 1948

scientific article published in 1934

scientific article published in 1925

scientific article published in 1927

scientific article published in 1927

scientific article published in 1924

scientific article published in 1931

1931

[Chicago]Chicago Natural History Museum,1949. | Field Museum of Natural History Library

scientific article published in 1929

1929

scientific article published in 1927

scientific article published on 12 September 1947

scientific article published in 1928

article by Karl P. Schmidt & Clifford H. Pope published 18 August 1937 in Copeia

popular science book by Clifford H. Pope

scientific article published on 10 September 1964

scientific article published in 1925

scientific article published in 1925

scientific article published in 1926

scientific article published in 1926

scientific article published in 1929

scientific article published in 1930

scientific article published in 1930

scientific article published in 1930

article published in 1931

scientific article published in 1931

scientific article published in 1925

scientific article published in 1925

scientific article published in 1924

scientific article published in 1928

scientific article published on 31 March 1945

scientific article published in 1929

[Chicago]Chicago Natural History Museum, 1947.

scientific article published in 1927

1927

book by Roy Chapman Andrews ; with chapters by Walter Granger, Clifford H. Pope [and] Nels C. Nelson, and summary statements by G. M. Allen ... [et al.]

New York: American Museum of Natural History, 1935.

scientific article published in 1927

scientific article published in 1956

scientific article published in 1925

popular science book by Clifford H. Pope

scientific article published in 1939

scientific article published on 30 June 1948

article by Clifford H. Pope, published March, 1952