Columbia subject headings:
Harvard subject headings:
Jesuits--Germany--Correspondence.
Mathematicians--Germany--Correspondence.
Schott, Gaspar, 1608-1666--Correspondence.
Scientists--Germany--Correspondence.
Princeton subject headings:
Jesuits--Germany--Correspondence.
Mathematicians--Germany--Correspondence.
Schott, Gaspar, 1608-1666--Correspondence.
Scientists--Germany--Correspondence.