Title: A revision of the spider genera Haplodrassus and Orodrassus (Araneae, Gnaphosidae) in North America
First published: 1975
Subjects: Arachnida, Haplodrassus, Classification, Orodrassus
Places: North America
LC classification: QL1 .A436 no. 2583, QL458.42.G5 .A436 no. 2583