1
Published 1988
2
by De Koninck, Rodolphe
Published 1992
3
Published 1995
4
by Galbraith, John Kenneth, 1908-
Published 1979
5
by Nartsupha, Chatthip
Published 1999
6
by Shukri, Shirin J. A.
Published 1996
7
by Dore,R. P, 1959-
Published 1959
8
by Lockwood, Victoria S, 1953-
Published 1993
9
by Weyland, Petra, 1954-
Published 1993
10
Published 1983
11
by Hardy, Andrew
Published 2003
12
by Mundy, Martha
Published 1995
13
by Cho, George, 1946-
Published 1990
14
by Sjoberg, Orjan
Published 1991
15
Published 1995
16
17
by Lockwood, Victoria S., 1953-
Published 1993
18
19
by Durham, William H.
Published 1919
20
by Zanasi, Margherita
Published 2006