Arnold Henry Guyot
![Arnold Henry Guyot](https://upload.wikimedia.org/wikipedia/commons/f/f6/Arnold_Henry_Guyot.jpg)
1
Published: 1860
Superior document: Sonderdruck aus Journal of the American Geographical Society vol.2, no 1
2
Published: 1884
Superior document: Sonderdruck aus Globe, organe de la Société de géographie de Genève