- en.wikipedia.org Claude Chappe
- tr.wiki7.org wiki/Шапп,_КлодEdebiyat. Schapp, Claude // Brockhaus ve Efron'un Ansiklopedik Sözlüğü : 86 ciltte (82 cilt ve 4 ek). - St.Petersburg. , 1890-1907.
- propedia.org ru/topic/2340456-pklod-sapp-…
- sch8vlad.ru articles/klod-shapp
- aquaplant63.ru brief_biographies/klod-sapp-…
- britannica.com biography/Claude-Chappe
- ru.biographs.org klod-chappe