Columbia subject headings:
Biblioteca apostolica vaticana--Microform catalogs.
Manuscripts on microfilm--Missouri--Saint Louis--Catalogs.
Vatican Film Library--Microform catalogs.
Harvard subject headings:
Biblioteca apostolica vaticana.
Manuscripts on microfilm--Missouri--Saint Louis--Catalogs.
Vatican Film Library--Microform catalogs.
Princeton subject headings:
Biblioteca apostolica vaticana--Microform catalogs.
Manuscripts on microfilm--Missouri--Saint Louis--Catalogs.
Vatican Film Library--Microform catalogs.