These papers, originals and copies, consist of correspondence, documents, accounts, and vouchers relating mainly to General Placido Vega's secret mission to obtain articles of war and funds in San Francisco, California, for the republican government of Benito Juarez in Mexico against the French invaders of Napoleon III. There is also material on Vega's activities in connection with volunteers from the United States in forming an expedition to invade Mexico, the Mexican "Juntas Patrioticas" in the United States, and military operations in Mexico (1858-1869). Includes correspondence with Benito Juarez, Matias Romero and Jesus Gonzalez Ortega. See also the published articles of Robert Ryal Miller on General Vega.
