29 Mar
2012
29 Mar
'12
5 p.m.
The Psychology of Arithmetic, by Edward L. Thorndike 39300 [Link: http://www.gutenberg.org/3/9/3/0/39300 ] [Files: 39300.txt; 39300-8.txt; 39300-h.htm] Thanks to Jonathan Ingram and the Online Distributed Proofreading Team at http://www.pgdp.net David