Columbia subject headings:
Harvard subject headings:
Bernoulli, Jean, 1667-1748--Correspondence.
Mathematicians--Correspondence.
Varignon, Pierre, 1654-1722--Correspondence.
Princeton subject headings:
Bernoulli, Jean, 1667-1748. Correspondence.
Mathematicians--Correspondence.
Varignon, Pierre, 1654-1722--Correspondence.