21
22
23
24
25
26
by Karady, Victor
Published 2004
Published 2004
Book
27
28
29
30
31
32
33
Article
34
35
36
by Kirby, David
Published 1990
Published 1990
Book
37
38
by Schofer, Lawrence
Published 1975
Published 1975
Book
39
40