Columbia subject headings:
Codex Hall.
Indians of Mexico--Languages--Writing.
Manuscripts, Mexican--Facsimiles.
Harvard subject headings:
Codex Hall.
Indians of Mexico--Languages--Writing
Manuscripts, Mexican--Facsimiles.
Princeton subject headings:
Codex Hall.
Facsimiles.
Indians of Mexico--Languages--Writing.
Manuscripts, Mexican--Facsimiles.