Coolidge, Harold Jefferson A revision of the genus gorilla / by Harold Jefferson Coolidge, J r. - Cambridge, Mass. : Printed for the Museum , 1929. - xxi pl., 2maps. ; 31cm. - Memoirs of the Museum of Comparative Zoology at Havard College; v ol. L. no. 4 . Subjects--Topical Terms: Gorillas National Library of Medicine Call No.: QL 737.P9 / C777r