2
Published 1979
Book
3
Published 1980
Book
5
Published 1980
Book
8
Published 1987
Book
9
Published 1994
Book
10
by Ellingsen, Mark, 1949-
Published 1993
Book
11
Published 1998
Book
12
by Ellingsen, Mark, 1949-
Published 1988
Book
13
Published 1997
Book
16
Published 1984
Book
17
Published 1993
Book
19
Published 1966
Journal / Magazine
20
Published 1972
Book