2
Published 1990
Book
5
Published 1934
Journal / Magazine
6
Published 1868
Journal / Magazine
7
by Fricke, Theodore Paul, 1904-
Published 1994
Book
8
by Syrdal, Rolf A.
Published 1994
Book
11
by Wolff, Carman St. J.
Published 1961
Book
12
Book
14
by Ross, Emory
Published 1959
Book
17
by Bühlmann, Walbert.
Published 1963
Book
18
by Foster, John, 1898-
Published 1951
Book
19
Published 1951
Book
20
Published 1987
Book