A Systematic Synopsis of the Muskrats (open access)

A Systematic Synopsis of the Muskrats

From introduction: "Systematic account of the genus Fiber through study of over 1,000 specimens, chiefly well-prepared skins, accompanied by skulls, together with many odd skulls and skeletons."
Date: April 29, 1911
Creator: Hollister, N.
System: The UNT Digital Library
Revision of the American Marmots (open access)

Revision of the American Marmots

Discusses history, nomenclature, common names, habits, external characters, and specimens of American marmots. Describes, lists locations, and provides a key to species and subspecies.
Date: April 7, 1915
Creator: Howell, Arthur H.
System: The UNT Digital Library