1
Published 1979
2
Published 1993
3
by Carr, Edward Hallet, 1892-1982
Published 1947
4
Published 1992
5
by Rubin, Barry
Published 1990
6
by Weida, William J.
Published 1987
7
8
by Rappa, Antionio L.
Published 2011
9
by Carney, John P.
Published 1975
10
by Asher, Herbert B.
Published 1980
11
by Harris, Stuart, 1931-
Published 1983
12
Published 1984
13
by Garang, John, 1945-
Published 1992
14
Published 1982
15
Published 1994
16
Published 1990
17
Published 1981
18
by Dye, Thomas R.
Published 1990
19
by Wolpin, Miles D, 1937-
Published 1972
20