2
3
Author: Heinegg, Paul.
Published 1997
Record Source: Published Materials
Book
4
5
6
7
8
9
Author: Mazyck, Walter H.
Published 1932
Record Source: Published Materials
Book
10
Record Source: Published Materials
Journal
11
13
Author: Butler, Reginald D.
Published 1982
Record Source: Published Materials
Book
14
Published 1978
Record Source: Published Materials
Book