Admiralty
Calver, W.B.
Dillon, J.P.
Parsons, John
Richards, George Henry
1867
Scarborough, Rockly Bar (Tobago). Kaart van Scarborough, Rockly Bar op Tobago door John Parsons RN, J.P. Dillon RN & W.B. Calver RN. Uitgave Sir George Henry Richards, Hydrographer to the Navy, Admiralty Londen, 1867.