Hardcover, Clark University: Worcester, Massachusetts, 1926. Very Good with no dust jacket.
Sound binding and hinges. Signed by author with additional inscription to Karl Zener (developer of early parapsychology testing known as Zener Cards) on ffep. Pages clean, tanned. Cloth over boards has edge rubbing, minor wear to corner tips and top/bottom of spine. ; Contents: Introduction: a summary of some of the results and conclusions of other studies on national and racial differences. Part I: Experimental data, procedure, and results (The selection of our subjects; an examination of the tests used; testing the tests; analysis of the intelligence quotients on the basis of nationality; criticism of the results; vocation and intelligence; reading tests, effort and intelligence; anthropometric characteristics and intelligence). Part II: The meaing of natio-racial groups, their formation and development (Comparison of some of our national group differences with some of the results found in "a study of American intelligence"; the natio-racial hypothesis; the principles underlying the formation of natio-races; the United States as a natio-race, present and future). ; 9.25" tall; 167 pages; Signed by Author.