- US TxAM-C C000252-S1-B0001-F0005
- File
Part of Steven Gould Collection
"The No License Needed, Fun to Drive, Built Easily with Ordinary Tools, Revolutionary, Guaranteed, Lawnmower Engine Powered, Low Cost, Compact, and Dependable Mail Order Device" (1986), typescript with handwritten edits, and publisher's contract, June 18, 1985