Original 1941 International Trucks Dealer Parts Catalog [MT-37-A]. This IHC Parts Book is what the Dealer used to order available Factory Replacement Parts to service and repair your International Motor Truck. It covers Models D-30, D-30B & DS-30 Trucks [including D-30 & DS-30 School Bus Chassis]. This Catalog dated 2-28-41 has IHC and Mfr's Numbers, Description, Quantity and Illustrations for these Parts. It is very rare to find one of these very informative and useful Books from this time period. It is in good condition for its age with minor wear, soiling and blemishing [see photos]. Catalog is complete.