1. Schmid , MacCannell and Van Arsdol Jr. , eds. 1958. “An additional continuum is suggested for the Negro population, which has become associated more closely with the socio‐economic cluster of measures”. 401
2. 1928. “If men define situations as real, they are real in their consequences …”. 572Thomas and Thomas.
3. Ingle , ed. 1964. “Why, then, examine the question of average racial differences in genetic endowment? … If it is true that there are significant differences between the genetic endowments of the races, this knowledge could and should affect the handling of biological and sociological problems.”. 376
4. Arnold , ed. 1970. “… social policy research … should become an integral component of demography … to ameliorate the social problems of the kind over‐represented in the American black community … .”. 311
5. Olsen , ed. 1970. “… one means of testing the validity of the ethnic community explanation of social and political participation among blacks is to separate black respondents who identify as members of an ethnic minority (N=82) from those who do not (N = 44). (Twenty‐eight blacks could not or would not respond to this question …)”. 692