Hsia yu so t'an ("Ramblings over Distant Frontiers")
Manuscript, 4 vols., with a preface by the author, Ch'ung-yuan Shih (pseudonym), written in the 42nd year (1777) under the reign of Emperor Chien-lung (1736–95). Contains a considerable number of comments about Russia. In graceful handwriting.
Meng ku lu ("Code on Mongolia")
Manuscript, 4 vols., with the endorsement of the governor of Shansi and Kansu provinces in the 29th year (1764) under the reign of Emperor Chienlung. Bears slightly on the Russian Empire. In graceful handwriting.