21
22
23
Author: Harper, R. Eugene.
Published 1991
Record Source: Published Materials
Book
24
25
26
Author: Solem-Stull, Barbara, 1947-
Published 2014
Record Source: Published Materials
Book
28
31
Record Source: Published Materials
Journal
34
35
36
37
Author: Nash, Gary B.
Published 1977
Record Source: Published Materials
Book
38
40
Published 2013
Record Source: Published Materials
Book