Kolff, D H. 1800-1843 Voyages of the Dutch Brig of war Dourga, Through the Southern and Little-known Parts of the Moluccan Archipelago, and Along the Previously Unknown ... Performed During the Years 1825 & 1826

Kolff, Dirk Hendrik Voyages of the Dutch Brig of War Dourga

Kolff, Cornelius G. [from old catalog] Early History of Staten Island

Kolff, Cornelius G. [from old catalog] Early History of Staten Island