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Title: Volunteer Investigators
Identifier(s): text:171234
Description: Excerpt from The layman scientist in Philadelphia : a directory of amateur scientists' organizations and resources in science.
Source: 506 T36 (506 T36); http://opac.amphilsoc.org/cgi-bin/koha/opac-detail.pl?biblionumber=238253
Subject: American Philosophical Society
Date: 1940