Daugherty, Carrol R.
The labor problems of American society
Houghton Mifflin, 1952
 Buku Teks
Ball, J. Dyer
Things Chinese: or, notes connected with China
Kelly & Walsh, 1925
 Buku Teks SO
Mullis, Harry A. (Harry Alvin)
Labor's progress and some basic labor problems
McGraw-Hill, 1938
 Buku Teks SO
Fulmer, William E.
Problems in labor relations : text and cases
Richard D. Irwin, 1980
 Buku Teks SO
Andrews, William D., 1931-
Federal income taxation: cases, problems and notes
Aspen Law & Business, 1973
 Buku Teks