Birds -- China -- Classification; Yan'an Shi (China); Clark, Robert Sterling, 1877-1956 -- Correspondence -- Manuscripts; Sowerby, Arthur de Carle, 1885-1954 -- Correspondence -- Manuscripts;
Note from Arthur de Carle Sowerby in Washington, D.C. to Robert Sterling Clark in which Sowerby encloses a page from the Proceedings of the Biological Society of Washington crediting Sowerby for the discovery of a species of bird. Sowerby writes in...
Birds -- China -- Classification; Sino-Japanese War, 1937-1945; Pellagra; Emphysema, Pulmonary; Thrushes; Clark, Robert Sterling, 1877-1956 -- Correspondence -- Manuscripts; Sowerby, Arthur de Carle, 1885-1954 -- Correspondence -- Manuscripts;
Letter from Arthur de Carle Sowerby in Washington, D.C. to Robert Sterling Clark in which Sowerby informs Clark that he and Mrs. Sowerby have been ill with the flu. Sowerby says that nothing has gone well for him since the Japanese occupation in...
