21
22
23
by Lavender, Douglas
Published 1992
24
by Herbst, Josephine, 1892-1969
Published 1991
25
Published 1995
26
27
28
by Gorst, Anthony
Published 1997
29
Published 1990
30
by Deng, Francis Mading, 1938-
Published 1989
31
Published 1986
32
by Maung Maung, U, 1920-
Published 1990
33
by Hoogbergen, Wim S. M.
Published 1990
34
35
by Shambaugh, David L.
Published 1991
36
37
Published 1997
38
by Allen, Jamie
Published 1997
39
by Reimers, David M.
Published 1992
40
by Bakshi, Shiri Ram, 1935-
Published 1990