Columbia subject headings:
Biblioteca Nacional (Spain). Manuscript. 20486--Indexes.
Biblioteca medicea laurenziana. Manuscript. Plut. 29, cod. 1--Indexes.
Herzog August Bibliothek. Manuscript. Helmstedt 1099--Indexes.
Herzog August Bibliothek. Manuscript. Helmstedt 628--Indexes.
Manuscripts, French--Facsimiles--Indexes.
Manuscripts, Latin--Facsimiles--Indexes.
Music--Manuscripts--Facsimiles--Indexes.
Harvard subject headings:
Biblioteca Nacional (Spain). Manuscript. 20486--Indexes.
Biblioteca medicea laurenziana. Manuscript. Plut. 29, 1--Indexes.
Biblioteca medicea laurenziana. Manuscript. Plut. 29, cod. 1--Indexes.
Herzog August Bibliothek. Manuscript. Helmstedt 1099--Indexes.
Herzog August Bibliothek. Manuscript. Helmstedt 628--Indexes.
Manuscripts, French--Indexes.
Manuscripts, Latin (Medieval and modern)--Indexes.
Manuscripts, Medieval--France--Indexes.
Music--500-1400--Indexes.
Music--500-1400--Manuscripts--Indexes.
Sacred vocal music--500-1400--Indexes.
Princeton subject headings:
Biblioteca Nacional (Spain). Manuscript. 20486
Biblioteca medicea laurenziana. Manuscript. Plut. 29, 1.
Herzog August Bibliothek. Manuscript. Helmstedt 1099
Herzog August Bibliothek. Manuscript. Helmstedt 628
Sacred vocal music--500-1400--Manuscripts--Indexes.