Columbia subject headings:
Americana--Bibliography--Catalogs.
Manuscripts, American--Catalogs.
Park, Laird U., 1922---Library--Catalogs.
Pennsylvania--History--Bibliography--Catalogs.
Philadelphia (Pa.)--History--Bibliography--Catalogs.
Rare books--United States--Bibliography--Catalogs.
United States--History--Bibliography--Catalogs.
Harvard subject headings:
Americana--Bibliography--Catalogs.
Manuscripts, American--Catalogs.
Park, Laird U., 1922---Library--Catalogs.
Pennsylvania--History--Bibliography--Catalogs.
Philadelphia (Pa.)--History--Bibliography--Catalogs.
Rare books--United States--Bibliography--Catalogs.
United States--History--Bibliography--Catalogs.
Princeton subject headings:
Americana--Bibliography--Catalogs.
Auction catalogs.
Catalogs.
Manuscripts, American--Catalogs.
Park, Laird U., 1922---Library--Catalogs.
Pennsylvania--History--Bibliography--Catalogs.
Philadelphia (Pa.)--History--Bibliography--Catalogs.
Rare books--United States--Bibliography--Catalogs.
United States--History--Bibliography--Catalogs.