Voetnoot
a Vir besonderhede, sien die Awake! van 8 Februarie 1963, bladsye 16-19.
[Prent]
Monument van H.B. de Saussure, Chamonix, Frankryk
[Erkenning]
Library of Congress, Prints & Photographs Division, Photochrom Collection, LC-DIG-ppmsc-04985
a Vir besonderhede, sien die Awake! van 8 Februarie 1963, bladsye 16-19.
[Prent]
Monument van H.B. de Saussure, Chamonix, Frankryk
[Erkenning]
Library of Congress, Prints & Photographs Division, Photochrom Collection, LC-DIG-ppmsc-04985