1.
Wehmeier E, Velde C van de. Zu VIII. COMMON GARTER (Thamnophis sirtalis) and EASTERN COACHWHIP (Masticophis flagellum). In: Breimaier A, Gründig M, Hrsg. Hollis Frampton: ADSVMVS ABSVMVS, in Memory of Hollis William Frampton, Sr., 1913–1980, Abest. arthistoricum.net; 2021:138-147. doi:10.11588/arthistoricum.863.c11210