Birds of the Papago Saguaro National Monument and the neighboring region, Arizona,
Swarth, Harry S. (Harry Schelwald), 1878-
United States. National Park Service.
University of California, Berkeley. Museum of Vertebrate Zoology.
Washington, D.C. :Govt. Print. Off.,1920.
At head of title: Department of the interior. John Barton Payne, secretary. National park service. Stephen T. Mather, director.
"The national monuments. Administered by the National Park Service, Department of the Interior": p. 2.
Find in a local library