Autore:Pierre Varignon
- ↑ Gemeinsame Normdatei
- ↑ data.bnf.fr
- ↑ 3,0 3,1 MacTutor
- ↑ Digital Library for Dutch Literature
- ↑ OpenLibrary
- ↑ SNAC
- ↑ Brockhaus Enzyklopädie
- ↑ Gran Enciclopèdia Catalana
- ↑ annuaire prosopographique: la France savante
Varignon matematico francese