This is a handy booklet compiled and written by Gary Pflum of engine serial numbers and some other information. Brands covered include: John Deere, Stover, Fairbanks Morse, Maytag, Lister, International (LA/LB, L, M, Mogul), Starting Engines, Famous, Nonpareil and Tom Thumb. It measures 5.5" x 8.5". 58 pages.
Decent book to look up serial numbers on the IHC line of engines.