Portolá Expedition Diaries, 1769-1770
Diary of Miguel Costansó
Diary of Engineer Miguel Costansó of the exploratory expedition to northern California under the command of Governor Gaspar de Portolá, from San Diego to the vicinity of Monterey Bay and back. They discovered the San Francisco Bay.
Diary of Captain Gaspar de Portolá
May 11, 1769, to January 24, 1770
Diary of Captain Gaspar de Portolá of the exploratory expedition made by land to the Ports of San Diego and Monterey.
A Description of California
by Pedro Fages
July 14, 1769 to January 24, 1770
Treatise by Pedro Fages on the California that he knew. This includes articles on it's native people's, the character of the land and its products, and the missions and history of the area.