Columbia subject headings:
Law libraries--Italy--Siena.
Petrucciani, Ludovico, -1461--Library.
Petrucciani, Ludovico.
Roman law--Bibliography--Catalogs.
Roman law--Bibliography.
Harvard subject headings:
Law libraries--Italy--Siena.
Lawyers--Italy--Siena.
Manuscripts, Latin--Catalogs.
Petrucciani, Ludovico, -1461--Library.
Private libraries--Italy--Siena--History.
Roman law--Bibliography--Catalogs.
Roman law--Manuscripts--Bibliography.
Siena (Italy)--History.
Princeton subject headings: