Pumpelly, Raphael. Geological Researches in China, Mongolia, and Japan, during the Years 1862 to 1865. Smithsonian Institution (Smithsonian contributions to knowledge 202), 1866. NCIDBA15623055.
20世紀
Smithsonian Institution. Board of Regents Annual report of the Board of Regents of the Smithsonian Institution. Reprint ed, Carrollton Press, 1967. NCIDBA67112740. マイクロフィッシュ版、1840年代から1910年代前半まで収載。
^ Smithsonian Institution. Smithsonian year. Microfiche ed, Smithsonian Institution Press. For sale by the Supt. of Docs., U.S. G.P.O. 19--. NCIDAA10780218. 別題『Smithsonian year (1979)』。