Contains 26 reels of microfilm with positive images and 26 reels of microfilm with negative images of the same materials. The microfilm include copies of a biography, correspondence, certificates, diaries, photographs, and articles. Also included are paper copies of articles, pamphlets, and a map. The materials relate to Blom's research on Mayan archaeology and his expeditions to Mexico.

Contains correspondence, diaries, manuscripts of writings, and notes on hieroglyphics and other archaeological studies. Also included are photographs pertaining to Mexico and to Central American Indian civilizations, especially those of the Aztec and Maya Indians. The materials include information on Indian myths and legends.