[CORDOBA (A. de).] &
VARGAS Y PONCE (Jose de).
Relacion del Ultimo Viage al Estrecho de Magallanes
The official account of the two expeditions made by Antonio de Córdoba to “ascertain the advisability of Spaniards continuing to use the Strait in voyages - the results indicated the negative. After these expeditions the Spanish trade routes were exclusively to east coast ports and then overland to the Pacific ports… “ (Hill).
Chadenat, 552; Hill, 1756; Leclerc, 1971; Sabin, 16765 & 1729.