Through Shên-kan : the account of the Clark expedition in north China, 1908-9 / by Robert Sterling Clark and Arthur de C. Sowerby, edited by Major C. H.Chepmell.

Licence: In copyright

Credit: Through Shên-kan : the account of the Clark expedition in north China, 1908-9 / by Robert Sterling Clark and Arthur de C. Sowerby, edited by Major C. H.Chepmell. Source: Wellcome Collection.