From Republic of Peru v. Yale University:
MEMORANDUM OF AGREEMENT BETWEEN THE NATIONAL GEOGRAPHIC SOCIETY
ON THE ONE HAND
AND
YALE UNIVERSITY AND HIRAM BINGHAM, DIRECTOR OF THE PERUVIAN EXPEDITION
ON THE OTHER
1. The National Geographic Society will pay to Yale University for the Peruvian Expedition of 1912 the sum of ten thousand dollars ($10,000); to wit, five thousand dollars [...]
