Homburg, F. “Capital Cities,” Jour. Geog., XIX (January, 1920), 8–15.
Kellogg, Paul U. (editor). The Pittsburgh District (New York, 1914).
Introductory volume of the Pittsburgh Survey, one of the most comprehensive studies of an industrial, urban area. Contains material bearing on many phases of city structure and city life. (V; VI; VII; VIII; IX, 1, 3.).
Kenngott, George F. The Record of a City: A Social Survey of Lowell, Massachusetts (New York, 1912).
A cross-section of a typical manufacturing city. (V; VI; VII; VIII; IX, 1, 3.)
McLean, Francis H., Todd, Robert E., and Sanborn, Frank B. The Report of the Lawrence Survey (Lawrence, Massachusetts, 1917). (V; VI; VII; VIII; IX, 1, 3.)
“The Right of the Community to Exist,” Living Age, CIII (October 4, 1919), 46–48.
Roberts, Peter. Anthracite Coal Communities (New York, 1904).
A study of mining communities in the United States. (V; VI; VII; VIII; IX, 1, 3.)
Steele, Rufus. “In the Sun-Spot,” Sunset, XXXIV (1915), 690–99.