1
2
by Lyons, Dan, 1930-
Published 2000
3
by Dye, Thomas R.
Published 1986
4
Published 1995
5
Published 1978
6
Published 1986
7
by Genovese, Michael A.
Published 1993
8
9
by Shafritz, Jay M.
Published 1988
10
11
12
by Cameron, Charles M, 1954-
Published 2000
13
14
15
by Gelb, Leslie H.
Published 1979
16
Published 1982
17
by Molineu, Harold.
Published 1990
18
Published 1981
19
20
by Hart, Gary, 1936-
Published 1996