HISTORICAL INTRODUCTION -- Spanish exploration northeast of New Mexico, 1541-1680 -- Spanish exploration northeast of New Mexico, 1696-1727 -- Plans to occupy El Cuartelejo, 1720-1727 -- DOCUMENTS RELATING TO THE NORTHEASTERN FRONTIER OF NEW MEXICO, 1696-1727 -- The expedition of Juan de Archuleta to El Cuartelejo, 1664-1680 (ca.) -- Governor Vargas' diary of campaign in pursuit of the rebellious Picuries, 1696 -- The diary of Juan de Ulibarri to El Cuartelejo, 1706 -- Council of war and diary of Juan Paez Hurtado against the Farones, 1715 -- Diary of the campaign of Juan Paez Hurtado, 1715 -- Council of war and diary of the campaign of Governor Valverde, 1719 -- Diary of the campaign of Governor Valverde, 17179 -- A portion of the diary of Villasur, 1720 -- Proceedings concerning designs of the French, 1719-1727 -- Proceedings of the trial of Governor Valverde, 1726-1727 -- Investigation of illegal trading between French Louisiana and New Mexico, 1723.