1. Inquiry into Amphibious Screw Traction;Cole,1961
2. Test Report—Marsh Screw Amphibian—Contract No. NObs 4558.
3. Trafficability Tests with the Marsh Screw Amphibian on Course-Grained Soils—U.S. Army Engineer Waterways Experiment Station, Corps of Engineers, Vicksburg, Mississippi.
4. Final Report of Military Potential Test of Marsh Screw Amphibian—USATECOM Project No. 7-5-0524-01-9.