Smithsonian Institution, White, A. D., Pickering, E. C., & Chanute, O. (1907). Samuel Pierpont Langley, secretary of the Smithsonian institution, 1887-1906.: Memorial meeting, December 3, 1906. Smithsonian institution.
MLA CitationSmithsonian Institution, et al. Samuel Pierpont Langley, Secretary of the Smithsonian Institution, 1887-1906.: Memorial Meeting, December 3, 1906. Smithsonian institution, 1907.
Warning: These citations have been automatically generated and may not always be 100% accurate..