Columbia subject headings:
Harvard subject headings:
Burgundy (France)--History--House of Valois, 1363-1477.
Burgundy (France)--Kings and rulers--Correspondence.
Isabelle de Portugal, duchesse de Bourgogne, 1397-1471--Correspondence.
Princeton subject headings:
Burgundy (France)--Kings and rulers--Correspondence.
Isabelle de Portugal, duchesse de Bourgogne, 1397-1471.