1
2
3
by Nicol
Published 1977
4
by Smithies
Published 1986
5
by Wallace
Published 1962
6
by Briggs
Published 1988
7
by Cook
Published 1995
8
9
by Dinsman
Published 2004
10
by Gullick
Published 1995
11
Published 1955
12
by Jackson
Published 1968
13
by R. K. Bharracharyya
Published 1994
14
by Moore
Published 1989
15
Published 1993
16
by You
Published 1995
17
by Boxer
Published 1968
18
19
20
by Chay
Published 1989