1
2
Published: [ca., 1921]
Superior document: A. Hartleben's Bibliothek der Sprachenkunde 131
3
Published: [1893]
Superior document: Die Kunst der Polyglottie 40
4
Published: [1920]
Superior document: A. Hartleben's Bibliothek der Sprachenkunde 130
5
6
7
Published: [1911]
Superior document: Die Kunst der Polyglottie 26
8
9
Published: [1908]
Superior document: Die Kunst der Polyglottie 37
10