1
by Maier, Walter A., 1893-1950.
Published 1939
Book
2
by Swank, Calvin P. 1880-
Published 1962
Book
4
by Knutson, Kent S.
Published 1976
Book
7
by Bachman, John W.
Published 1995
Book
8
Published 1985
Book
9
by Farisani, Tshenuwani Simon
Published 1987
Book
10
Published 1987
Book
11
Book
13
by Lenski, R. C. H. 1864-1936.
Published 1916
Book
19
by Heino, Harri.
Published 1987
Book
20
by Lutze, Karl E.
Published 2001
Book