[Portefeuille 138 du fonds du Service hydrographique de la Marine consacré aux côtes de Floride et de Louisiane]. 5, [Division du fonds du Service hydrographique de la Marine consacrée aux Cayes de la Floride et aux Dry Tortugas].

Comprend : An Accurate chart of the Tortugas and Florida Kays or Martyrs. / surveyed by George Gauld. A. M. ; by order of the right honourable the lords commissioners of the admiralty, and now published by permission of their lordships. ; [flle 2] By Permission, most humbly dedicated, To His Royal Highness, William Henry, Duke of Clarence, &c, &c, &c. ; An Accurate chart of the Tortugas and Florida kays or Martyrs. / surveyed by George Gauld. A. M. ; by order of the right honourable the lords commissioners of the admiralty, and now published by permission of their lordships. ; [flle 2] By Permission, most humbly dedicated, To His Royal Highness, William Henry, duke of Clarence, &c, &c, &c