-
Kansas Aphididae, with catalogue of North American Aphididae, and with host-plant list
Vol 3, Page 1
-
Diptera africana I
Vol 3, Page 147
-
Diptera Africana, I
Vol 3, Page 149
-
Kansas Aphididae, with catalogue of North American Aphididae, and with host-plant list, part II
Vol 3, Page 225