Gratacap, L. P. (Louis Pope), 1851-1917.American Museum of Natural History.2020-05-052020-05-051904http://digitallibrary.amnh.org/handle/2246/714322 p. : ill. ; 25 cm.Supplement to: American Museum journal, v. 2, no. 2, Feb. 1902. Second edition revised May 1904.en-USAmerican Museum of Natural History. Morgan Halls of Mineralogy -- Guidebooks.Minerals -- Exhibitions.Minerals -- Catalogs and collections -- New York (State) -- New York.The collection of minerals : a guide leaflet to the exhibition halls of the Department of Mineralogy in the American Museum of Natural History. (Guide leaflet, no. 4)Other