The great probability of a North West Passage
Subtitle: deduced from observations on the letter of Admiral de Fonte, who sailed from the Callao of Lima on the discovery of a communication between the South Sea and the Atlantic Ocean. Proving the authenticity of the Admiral's letter
By: With 3 explanatory maps, by Thomas Jefferys. With an appendix. Containing the account of a discovery of part of the coast and inland country of Labrador, made in 1753.
Contributors: Drage, Theodorus Swaine, 1712 (ca.)-1774.; Swaine, Charles, fl. 1746-1766.
Publisher: Printed for T. Jefferys
Published: 1768
Place of publication: London
Language: eng
Number of pages: 153
Subjects: Fuentes, Bartolomé de, -- 17th cent; Northwest Passage
Notes: Sabin 28460.

Variously attributed Theodorus Swaine Drage and Charles Swaine.

Letter of de Fonte is included as first published in the Monthly miscellany, or Memoirs of the curious, in April and June, 1708.