By A Mystery Man Writer
V32 N1 The Art of the Decoy, Duck Hunting on the Lower Columbia River by maritimemuseum - Issuu
Aldo Leopold at the Missouri cabin - UWDC - UW-Madison Libraries
University of Wisconsin photographic history (24 Volumes) - UWDC - UW-Madison Libraries
Aldo Leopold in Arizona, 1911 - UWDC - UW-Madison Libraries
Aldo Leopold at the shack - UWDC - UW-Madison Libraries
James D. Bulloch - New Georgia Encyclopedia
UW-La Crosse Historic Steamboat Photographs - Collection - UWDC - UW-Madison Libraries
Duck hunting - UWDC - UW-Madison Libraries
V32 N1 The Art of the Decoy, Duck Hunting on the Lower Columbia River by maritimemuseum - Issuu
Aldo duck hunting from boat, Wicomico River, Maryland, November 1924 - UWDC - UW-Madison Libraries
Oronoco (Private pleasure boat/Packet, circa 1913-1921) - UWDC - UW-Madison Libraries
Aldo bird hunting with Gus, near the Shack, October 1943 - UWDC - UW-Madison Libraries
Aldo Leopold at the shack - UWDC - UW-Madison Libraries
Walking out of the Shack, ca. 1940 (shot from above) - UWDC - UW-Madison Libraries