- Digital Commonwealth
- The Trustees of Reservations, Archives & Research Center
John Gardner Coolidge in wide-brimmed hat standing in a rocky, mountainous terrain. Building in distance. Title from item or accompanying materials. Additional information from accompanying materials: Sightseeing with the Conger family and friends along road to Great Wall. Edwin H. Conger, U.S. Minister to China. Date from item or accompanying materials.
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