Columbia subject headings:
Sylvester II, Pope, approximately 945-1003--Bibliography.
Sylvester II, Pope, approximately 945-1003--Criticism, Textual.
Sylvester II, Pope, approximately 945-1003--Indexes.
Harvard subject headings:
Philosophy, Medieval--Early works to 1800.
Sylvester II, Pope, approximately 945-1003--Bibliography.
Sylvester II, Pope, approximately 945-1003--Criticism, Textual.
Sylvester II, Pope, approximately 945-1003--Indexes.
Princeton subject headings:
Indexes.
Sylvester II, Pope, approximately 945-1003--Bibliography.
Sylvester II, Pope, approximately 945-1003--Criticism, Textual.
Sylvester II, Pope, approximately 945-1003--Indexes.