6
by Mantegazza, Paolo, 1831-1910
Published 1890
Book
8
by Picard, Max, 1888-1965
Published 1937
Book
12
Book
13
by Dahlke, Rüdiger, 1951-
Published 2009
Book
15
by Alispach, Walter
Published 1947
Book
16
Published 1999
Book
18
by Darwin, Charles, 1809-1882
Published 2020
Book