Columbia subject headings:
Catholic Church--Hymns--Texts.
Catholic Church--Liturgy--Texts--History and criticism.
Catholic Church--Liturgy--Texts.
Cattedrale di Oristano (Oristano, Italy). Manuscript. P. XIII.
Hymns, Latin (Medieval and modern)--Italy--Oristano--History and criticism.
Manuscripts, Latin (Medieval and modern)--Italy--Oristano.
Psalters--Italy--Oristano--Texts.
Harvard subject headings:
Catholic Church--Hymns--History and criticism.
Catholic Church--Hymns--Texts.
Cattedrale di Oristano (Oristano, Italy). Manuscript. p. XIII.
Gregorian chants--History and criticism.
Hymns, Latin--History and criticism.
Hymns, Latin--Texts.
Manuscripts, Latin (Medieval and modern)--Italy--Oristano.
Psalterium-hymnarium Arborense--Criticism, Textual.
Psalters--Italy--Oristano--History.
Princeton subject headings:
Catholic Church--Hymns--History and criticism.
Catholic Church--Hymns--Texts.
Cattedrale di Oristano (Oristano, Italy). Manuscript. P. XIII
Hymns, Latin--History and criticism.
Hymns, Latin--Texts.
Manuscripts, Latin (Medieval and modern)--Italy--Oristano.
Psalterium-hymnarium Arborense--Criticism, Textual.
Psalters--Italy--Oristano--History.