Ley, E. S. (1947). Personnel placement activities of the APA; report for the year 1946. American Psychologist, 2(6), 213-215.
http://dx.doi.org/10.1037/h0053665
During 1946, 336 job requests were received by the APA. In 11% of the cases jobs were filled by people referred by the APA, but in 51% of the cases the jobs were not filled from any source. (PsycINFO Database Record (c) 2016 APA, all rights reserved)