Columbia subject headings:
Bettens, Louise E., 1827-1914.
Harvard subject headings:
Bettens, Louise E., 1827-1914--Library.
Bettens, Louise E., 1827-1914.
Private libraries--New York (State)--New York--Catalogs.
Rare books--New York (State)--New York--Bibliography--Catalogs
Princeton subject headings:
Bettens, Louise E., 1827-1914.