The incredible Incas and their timeless land / by Loren McIntyre ; photos. by the author ; paintings by Louis S. Glanzman ; foreword by Eugenio Alarco ; prepared by the Special Publications Division, National Geographic Society
Atlantic Ocean. [Map] / Compiled and drawn in the Cartographic Section of the National Geographic Society for the National Geographic Magazine ; John O. LaGorce, ed. ; James M. Darley, chief cartographer