Columbia subject headings:
Harvard subject headings:
Account books--Hansa towns.
Business records--Hansa towns.
Commerce--History--Medieval, 500-1500
Commercial correspondence--Germany.
Hansa towns--Commerce--History--Sources.
Hanseatic League--Commerce--History.
Hanseatic League--History.
Merchants--Germany--Correspondence.
Veckinchusen, Hildebrand.
Princeton subject headings:
Account books--Hansa towns.
Business records--Hansa towns.
Commerce--History--Medieval, 500-1500.
Commercial correspondence--Germany.
Hansa towns--Commerce--History--Sources.
Hanseatic League--History.
Merchants--Germany--Correspondence.
Veckinchusen, Hildebrand.