4
Published 1973
Book
6
Published 2000
Book
9
Published 1969
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10
Published 1991
Book
11
by Fling, Robert Michael, 1941-
Published 2004
Book
12
by Jones, Malcolm, 1943 July 30-
Published 1979
Book
13
Published 2001
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Electronic Journal
19
Published 1934
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Electronic Journal