BioStor
 | Some new or little-known Miridae from the northeastern United States (Hemiptera) (1954) Proceedings of The Entomological Society of Washington 56: 196-202 |
 | An Analysis of the Flora of Southern Africa: Its Characteristics, Relationships, and Orgins Peter Goldblati (1978) Annals of the Missouri Botanical Garden 65: 369-436 |