Hyan, Hans. Schwere Jungen, Vol. XXVIII in “Grossstadt Dokumente” (Berlin, 1905).
Describes the life of an occupational group—the pugilists—in the large city (Berlin). (V, 1, 3; VI, 6; IX, 4.)
Mayhew, Henry. London Labour and London Poor: A Cyclopaedia of the Condition and Earnings of Those That Will Work, Those That Cannot Work, and Those That Will Not Work (London, 1861–62), 4 vols.
A description of occupational types created by city specialization. (II, 3; VII, 5; IX, 4.)
Noack, Victor. Was ein Berliner Musikant erlebte, Vol. XIX in “Grossstadt Dokumente” (Berlin, 1905).
The experiences of a Berlin musician in his occupational life. Showing the evolution of an occupational type, with many highly specialized subtypes. (IX; X, 2.)
Roe, Clifford. Panders and Their White Slaves (New York and Chicago, 1910). (V, 1; VII, 5.)
Rowntree, B. Seebohm, and Lasker, Bruno. Unemployment: A Social Study (London, 1911).
Simkhovitch, Mary K. The City Worker’s World in America (New York, 1917). (V, 1, 2, 3; VI, 10; VII, 2, 5.)
Solenberger, Alice W. One Thousand Homeless Men: A Study of Original Records (New York, 1914).