1. Guide to a collection illustrating the families of mammals: exhibited in the Ohio Valley Centennial Exposition in 1888 by the U.S. National Museum Author(s): True, Frederick W. (Frederick William), 1858-1914, author Publication: [Washington, D.C.?] : [publisher not identified], [1888?] Subject(s): Mammals -- classificationExhibits as TopicOhio Valley Centennial Exposition
