Syracuse, N.Y.: Syracuse University Press, 1946. 8vo. Cloth. xii, 389 p. 1st ed. Very good. 
"This study of intermarriage with special reference to the New England industrial community of Derby in 1929-1930 and 1940 has demonstrated that it is still in the mores of most locales in American society to inmarry racially, religiously and ethnically. Intermarriage as deviation from the mores of mate selection generally occurs most often between ethnic groups, less often between religious groups and least between racial groups ... The facts of intermarriage incidence and selection suggest the continued separate existence of Negroes and whites as racial in-groups, while the mutual selection of the few but racially and culturally similar Chinese, Japanese, American Indians and Filipinos in some areas presupposes the emergence of an American Mongoloid race ..."