Columbia subject headings:
Harvard subject headings:
Castella de Delley family--Library.
Private libraries--Switzerland--Fribourg--History.
Princeton subject headings:
Book collecting--Switzerland--History--18th century.
Books and reading--Switzerland--History--18th century.
Booksellers and bookselling--Switzerland--History--18th century.
Private libraries--Switzerland--History--18th century.
Zurich (Switzerland)--Intellectual life--18th century.