1
Published 2001
2
Published 1993
3
4
Published 2002
5
Published 1994
6
by De Mauny, Erik
Published 1969
7
by Vogel, Ezra F.
Published 1979
8
Published 2000
9
by Whittaker, Andrea
Published 2000
10
by Shennan, Margaret
Published 2000
11
12
by Eklof, Ben, 1946-
Published 1989
13
by Cheng, Li, 1956-
Published 1997
14
by Rone, Jemera
Published 1995
15
16
Published 2003
17
by Romney, Mitt.
Published 2011
18
19
20
by Kerblay, Basile H.
Published 1983