Meader, H.
Zurich Atlantis 1945
Buku Teks
Paul, Hermann, 1846-1921, author
Halle Niemeyer 1909
Buku Teks
Humboldt, Wilhelm von
Paderborn Ferdinand Schoningh 1959
Buku Teks
Humboldt, Wilhelm von
Paderborn Ferdinand Schoningh 1959
Buku Teks
Saver, Wolfgang Werner, author
J.B.Metzlersche, 1988
Buku Referensi