Excerpt from Condensed Guide for the Stanford Revision of the Binet-Simon Intelligence Tests
The Binet-Simon tests had been in use in America for only a few years when their educational value for the blind was recognized by Mr. R. B. Irwin, then Это и многое другое вы найдете в книге Condensed Guide for the Stanford Revision of the Binet-Simon Intelligence Tests (Classic Reprint) (Lewis Madison Terman)