BennettJ. A., The divided circle: A history of instruments for astronomy, navigation and surveying (Oxford, 1987).
2.
ZabanBessie Jones, Lighthouse of the skies. The Smithsonian Astrophysical Observatory: Background and history 1846–1955 (Washington, D. C., 1965).
3.
Jones, Lighthouse, 108. Donald Obendorf's dissertation (1968) at the University of California, Berkeley, treats Langley's career up to 1888 in detail.
4.
DupreeHunter A., Science in the Federal Government: A history of policies and activities (new edn, Baltimore and London, 1986), 195–214, 187–92.
5.
ArmDavid L. (ed.), Science in the sixties: The tenth anniversary AFOSR Scientific Seminar June 1965 (Albuquerque, N. M., 1965), espec. DupreeHunter A., “Paths to the sixties”, 1–9. The conference went by bus from the hotel in Cloudcroft to Sacramento Peak.
6.
MargueriteDupree (ed.), Lancashire and Whitehall: The diary of Sir Raymond Streat (Manchester, 1987), ii, 926–9, 949–50; DudleySaward, Bernard Lovell: A biography (London, 1984), 159–95.
7.
NeedellAllan A., “Lloyd Berkner, Merle Tuve, and the Federal role in radio astronomy”, Osiris, 2nd ser., iii (1987), 261–88.
