1
Published 2001
2
3
Published 2002
4
Published 1994
5
by Vogel, Ezra F.
Published 1979
6
Published 2000
7
by Whittaker, Andrea
Published 2000
8
by Shennan, Margaret
Published 2000
9
10
by Eklof, Ben, 1946-
Published 1989
11
by Cheng, Li, 1956-
Published 1997
12
by Rone, Jemera
Published 1995
13
14
Published 2003
15
by Romney, Mitt.
Published 2011
16
17
by Kerblay, Basile H.
Published 1983
18
by Lake, Anthony
Published 2000
19
by Ogilvy, James
Published 2000
20
by Murray, Geoffrey
Published 1998