1 Tuloksia löytyi "Tiedosto:A_treatise_on_special_or_elementary_geometry_(IA_treatiseonspecia00olne).pdf".

Tiedosto:A treatise on special or elementary geometry (IA treatiseonspecia00olne).pdf

PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:A_treatise_on_special_or_elementary_geometry_(IA_treatiseonspecia00olne).pdf...