Columbia subject headings:
Hermetic philosophers--Netherlands--Biography--Early works to 1800.
Hermetism--Early works to 1800.
Syberg, Johan Hendrik van, 1696-
Harvard subject headings:
Hermetic philosophers--Netherlands--Biography--Early works to 1800.
Hermetism--Early works to 1800.
Syberg, Johan Hendrik van, 1696-
Princeton subject headings: