1
2
by Cohen, Raymond, 1947-
Published 1991
3
Published 1990
4
Published 1980
5
by Hastedt, Glenn P.
Published 1991
6
7
by Bush, George W, 1946-
Published 2003
8
by Gaddis, John Lewis
Published 1992
9
10
11
Published 1972
12
Published 1968
13
Published 1963
14
Published 1987
15
Published 1986
16
Published 1985
17
Published 1986
18
Published 1985
19
Published 1984
20
Published 1969