Cuber, John F
Problems of American society: values in conflict
Henry Holt And Company, 1951
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Farley, John E.
American social problems : an institutional analysis
Prentice-Hall, 1987
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Ferris, Brian
World problems
Hulton Educational Publications, 1973
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Bossing, Nelson L.
Solving our problems in a democracy
Laidlaw Brothers, 1956
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Democracy and the environment: problems and prospects
edited by William M. Lafferty and James Meadowcroft
Edward Elgar, 1996
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