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Dudley Observatory Archives. Armsby Collection.

Title: Dudley Observatory Archives. Armsby Collection.

ArchivalResource:

Los Angeles County Prefecture Records

Title: Los Angeles County Prefecture Records

ArchivalResource:

http://www.oac.cdlib.org/ark:/13030/tf1t1n98hh View

Smithsonian Institution. Office of the Secretary. Correspondence, 1865-1891

Title: Correspondence, 1865-1891

This record unit consists of outgoing correspondence from the Office of the Secretary during the tenures of Joseph, Henry, 1846-1878; Spencer Fullerton Baird, 1878-1887; and Samuel Pierpoint Langley, 1887-1906.

ArchivalResource: 46.06 cu. ft. (62 document boxes) (68 3x5 boxes) (243 microfilm reels)

https://siarchives.si.edu/collections/siris_arc_216647 View

Smithsonian Institution. Office of the Secretary. Correspondence, 1863-1879

Title: SIA RU000026, Smithsonian Institution Office of the Secretary, Correspondence, 1863-1879

This series consists mostly of correspondence addressed to Joseph Henry, much of which received his personal attention; also included are some copies of Henry letters, occasional returned original Henry letters, and a considerable number of letters to Spencer Fullerton Baird.

ArchivalResource: 59.56 cubic feet

https://siarchives.si.edu/collections/siris_arc_216640 View