2
3
Author: Skovmand, Sven.
Published 1982
Record Source: Published Materials
Book
5
Published 1977
Record Source: Published Materials
Book
7
8
Author: Kahn, Otto H., 1867-1934.
Published 1922
Record Source: Published Materials
Book
9
Published 1972
Record Source: Published Materials
Journal
10
Published 1962
Record Source: Published Materials
Journal