Spiders of North America
Subtitle: 1941-64 : [reprints]
Contributors: Gertsch, Willis John, 1906-
Subjects: Spiders -- North America; Arachnida -- North America
Table of contents: New American Spiders of the Family clubionidae II/ W. Gertcsh - Report on some arachnids from barro colorado island, canal zone / W. Gertsch -  New American Spiders of the Family clubionidae I / W. Gertcsh - Descriptions of new American theridiidae / W. Gertsch & A Archer - A study of the lenta group of the genus lycosa with descriptions of new species.../ H. Wallace -  New American Spiders of the Family clubionidae III/ W. Gertcsh - Notes on American spiders of the family dictynidae / W. Gertsch - New American linyphiid spiders / W. Gertsch [two copies] - Descriptions of American spiders of the family symphytognathidae / W. Gertsch - The fulva group of the spider genus Steatoda .../ W. Gertsch - The spider genus Zygiella in North America .../ W. Gertsch - The spider family Uloboridae in North America North of Mexico / M. Muma & W. Gertsch - A review of the genus Hypochilus and a description of a new species.../ W. Gertsch