Mr Li (Dr John Preston Maxwell's secretary at P.U.M.C) and his family, Beijing
University of Bristol - Historical Photographs of China reference number: Mx04-000. Cadbury Research Library archive finding number: DA26/2/2/3 (John Preston Maxwell Papers). P.U.M.C. = Peking Union Medical College.
Black and white photograph
Cadbury Research Library (Special Collections), University of Birmingham