Columbia subject headings:
Mertens-Schaaffhausen, Sibylle, 1797-1857.
Harvard subject headings:
Germany--Antiquities--Collectors and collecting--Biography.
Mertens-Schaaffhausen, Sibylle, 1797-1857--Correspondence.
Princeton subject headings:
Steinbuechel von Rheinwall, Anton, b. 1790.