WSU electronic database.
Originally edited by Oscar K. Buros. The most comprehensive reference work for published tests & measurements.
Some print copies from 1940-1978 are also available: Dunbar Ref Z5814 P8B932
print book Dunbar Ref BF431 G624 v.1(1974)-v.8(2003) The primary print source for unpublished tests & measurements. See also HaPI in the Electronic Indexes section of this guide for access to unpublished tests.