How to know the spiders Spiders

Bibliographic Details
Main Author:	Kaston, B.J. (Benjamin Julian) 1906-
Format:	Book
Published:	Boston WCB/McGraw-Hill c1978.
Edition:	3rd ed.
Series:	The Pictured-key nature series
Subjects:	Spiders > United States > Identification. Spiders > Identification.