"The Archivo General de Centroamérica (Central American Archives) 1544-1821, in Guatemala, is the most comprehensive collection found anywhere in the world of historical records spanning the period of Spanish rule in the Americas. The holdings of the Archivo include myriad types of documents covering a host of cultural, legislative, judicial, fiscal, economic, religious, military, agricultural and commercial matters pertaining to the Kingdom of Guatemala, an area which, from the time of the Conquest in 1544 through 1821, embraced modern-day Guatemala, Belize, El Salvador, Honduras, Nicaragua, Costa Rica and the Mexican State of Chiapas."-- Publisher's website

CRL owns the complete set of microfilm, covering the following areas: 

• Guatemala, Superior Gobierno (central government) [reels 1A-1537A]
• Guatemala, economic [reels 1537A-1853A]
• Guatemala, economic, judicial & military [reels 1C-150C]

• Guatemala, Real Hacienda (treasury) [reels 1854A-2532A]
• Yucatan [reels 1B-3B]
• Chiapas [reels 3B-199B]
• El Salvador [reels 200B-577B]
• Honduras [reels 577B-878B]
• Nicaragua [reels 878B-1173B, 1175B-1187B, 1189B-1212B]
• Costa Rica [reels 1212B-1241B]