T. D. A.  Cockerell, ?Halictine Bees from Rota Island?, in Insects of Guam I, O. H.  Swezey, Ed. Honolulu: Bernice P. Bishop Museum, 1942.

T. D. A.  Cockerell, ?Bees of Guam?, in Insects of Guam I, O. H.  Swezey, Ed. Honolulu: Bernice P. Bishop Museum, 1942.