2
Journal / Magazine
3
Published 1919
Journal / Magazine
4
Published 1941
Book
5
Published 1935
Book
6
Published 1948
Journal / Magazine
7
Published 1965
Book
10
Published 1949
Book
11
Published 1962
Book
12
Published 1961
Book
13
Published 1951
Journal / Magazine
14
Published 1951
Journal / Magazine
15
Published 1952
Book
16
by Empie, Paul C.
Published 1947
Book
17
by Kloetzli, Walter.
Published 1960
Book
18
Published 1954
Journal / Magazine
19
Published 1957
Book
20
Published 1953
Journal / Magazine