Columbia subject headings:
Harvard subject headings:
Commerce--History--Medieval, 500-1500--Sources
Gallerani (Firm)--History--Sources.
Rijksarchief te Gent--Archives.
Siena (Italy)--Commerce--History--Sources.
Princeton subject headings:
Compagnia Gallerani--History--Sources.
Rijksarchief te Gent.
Siena (Italy)--Commerce--History--Sources.