1. Abbott, Berenice1964The World of Atget.New York: Horizon.
2. Abbott, Berenice1973New York in the Thirties.New York: Dover. (Original publication 1939.)
3. Barndt, Deborah1974Toward a Visual Study of Society.Technical Report, College of Social Science, Michigan State University.
4. Whose Side Are We On?
5. Becker, Howard S.1970Field Work Evidence. In Sociological Work: Method and Substance.Howard S. Becker, ed. Chicago: Aldine. pp. 39-62.