MIT Corporation, Executive Committee Records (AC 272), box 1, vol. 1, p. 72 (December 14, 1870); box 1, vol. 1, p. 93 (December 10, 1873). More about Ellen Swallow (Richards)
MIT Corporation, Executive Committee Records (AC 272), box 1, vol. 1, p. 72 (December 14, 1870); box 1, vol. 1, p. 93 (December 10, 1873).
More about Ellen Swallow (Richards)