1
by Humboldt Al. de
Published 1816
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4
by Orton James
Published 1870
Book
5
by Crawford Robert
Published 1884
Book
6
by Güßfeldt, Paul
Published 1888
Book
7
by Hettner, Alfred
Published 1888
Book
8
by Hettner Alfred
Published 1888
Book
9
by Hettner Alfred
Published 1888
Book
10
by Hettner, Alfred 1859-1941
Published 1888
Book
11
by Güßfeldt, Paul
Published 1888
Book
12
by Whymper, Edward
Published 1891
Book
13
by Fitz Gerald Edward Arthur
Published 1899
Book
14
Book
15
by Herzog, Theodor 1880-1961
Published 1913
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