The Typhus Group of Diseases in Malaya. Part VIII: The Relation of the Tsutsugamushi Disease (including Rural Typhus) to Urban Typhus. Part IX: The Relation of the Tsutsugamushi Disease (including Rural Typhus) and Urban Typhus to Rocky Mountain Spotted Fever. (with Special Reference to Cross-immunity Tests.)

. 1936 Dec;17(6):461–472.