Columbia subject headings:
Harvard subject headings:
Codax, Martín, active approximately 1230--Criticism and interpretation.
Johán, de Cangas--Criticism and interpretation.
Mendinho--Criticism and interpretation.
Portuguese poetry--To 1500--History and criticism.
Princeton subject headings:
Codax, Martín.
Johán, de Cangas
Mendinho.
Portuguese poetry--To 1500--History and criticism.