BioStor
 | Preliminary list of the butterflies of Virginia A H Clark and L F Clark (1937) Proceedings of The Biological Society of Washington 50: 87-91 |
 | Butterflies from Virginia and the District of Columbia A H Clark and L F Clark (1938) Proceedings of The Biological Society of Washington 51: 1-6 |
 | Butterflies from Virginia A H Clark and L F Clark (1939) Proceedings of The Biological Society of Washington 52: 177-183 |