Farmall B Blog: http://www.carlietree.com/Farmall_B

Farmall S-C Blog: http://www.carlietree.com/Farmall SC

Farmall 140 Blog:http://www.carlietree.com/farmall 140

Family Farmall C Blog: http://carlietree.com/tractors/family_farmall_c/admin

International 404 Blog: http://www.carlietree.com/tractors/international_404

Farmall 300 Blog: http://carlietree.com/tractors/farmall_300 

Robert Crabtree (seated) and his father Earl.  About 1947

Carl Crabtree (seated) and his father Robert. (2018)

Morrison Truck and Tractor - A History: 

National International Harvesters Collectors Club. http://nationalihcollectors.com/