Militærmotorcykler ______________________________________________ The Kettenkrad : Sd.Kfz.2-Type Hk-101 Paperback, 47 sider. Forlag: Schiffer Publishing, Ltd.; (Juli 1991). ISBN: 0887403158. ______________________________________________ BMW Motorcycles in World War II af Janusz Piekalkiewicz. Hardcover, udgivet i 1991 af Schiffer. 189 sider, 220 fotos. ISBN: 0887403069. ______________________________________________ Heavy Sidecar Motorcycles of the Wehrmacht af Horst Hinrichsen. Paperback, 47 sider (Januar 2001). Forlag: Schiffer Publishing; ISBN: 0764312723. ______________________________________________