Columbia subject headings:
Biblioteca apostolica vaticana--Photograph collections--Catalogs.
Biblioteca apostolica vaticana--Photograph collections.
Photograph collections--Vatican City--Catalogs.
Photograph collections--Vatican City--History.
Photography--Vatican City--Catalogs.
Photography--Vatican City--History.
Harvard subject headings:
Biblioteca apostolica vaticana--Photograph collections--Catalogs.
Biblioteca apostolica vaticana--Photograph collections.
Photograph collections--Vatican City--Catalogs.
Photograph collections--Vatican City--History.
Photography--Vatican City--Catalogs.
Photography--Vatican City--History.
Princeton subject headings:
Biblioteca apostolica vaticana--Photograph collections--Catalogs.
Biblioteca apostolica vaticana--Photograph collections.
Catalogs.
Photograph collections--Vatican City--Catalogs.
Photograph collections--Vatican City--History.
Photography--Vatican City--Catalogs.
Photography--Vatican City--History.
Portrait photography.
Travel photography.