4
by Skardhamar, Rune.
Published 1996
Book
5
6
by Miller, Michael, 1958-
Published 2002
Online version[Click the "I Agree" button if prompted]
Online Book
7
10
by Baczewski, Philip.
Published 2000
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Online Book
11
Published 2003
ONLINE VERSION
Government Document Online Book
13
by Bassham, Lawrence E.
Published 1992
ONLINE VERSION
Government Document Online Book
14
by Cohen, Frederick B., 1956-
Published 1994
Book
15
Published 1991
Book
16
by Hruska, Jan, 1957-
Published 1992
Book
17
by Fites, Philip E.
Published 1992
Book
18
by Grimes, Roger.
Published 2001
Book
19
by Harley, David.
Published 2001
Book
20
Published 2008
ONLINE VERSION
Government Document Online Book