Columbia subject headings:
Manuscripts, Italian--Archival resources.
Manuscripts, Italian.
Harvard subject headings:
Family archives--Canada--Union lists.
Family archives--United States--Union lists.
Manuscripts, Italian--Canada--Union lists.
Manuscripts, Italian--United States--Bibliography--Union lists.
Manuscripts, Italian--United States--Union lists.
Union catalogs--Canada.
Union catalogs--United States.
Princeton subject headings:
Family archives--Canada--Union lists.
Family archives--United States--Union lists.
Manuscripts, Italian--Canada--Bibliography--Union lists.
Manuscripts, Italian--United States--Bibliography--Union lists.
Union catalogs--Canada.
Union catalogs--United States.