Columbia subject headings:
Jacobs, Irene Murr--Library--Catalogs.
Jacobs, Victor, -1996--Library--Catalogs.
Harvard subject headings:
Americana--Bibliography--Catalogs.
Americana--Private collections--New York (State)--New York--Catalogs.
Autographs--Private collections--New York (State)--New York--Catalogs.
Jacobs, Irene Murr--Library--Catalogs.
Jacobs, Victor, -1996--Library--Catalogs.
Private libraries--New York (State)--New York--Catalogs
Rare books--New York (State)--New York--Bibliography--Catalogs
Twain, Mark, 1835-1910--Autographs--Catalogs.
Twain, Mark, 1835-1910--Bibliography--Catalogs.
United States--History--Bibliography--Catalogs.
Princeton subject headings: