
Article on Encyclopedia
L'Encyclopédie (1751-1766)
Letter 15 (October 20, 1837).
Letters on the Equality of the Sexes and the Condition of Woman (1837)
Article on Encyclopedia
L'Encyclopédie (1751-1766)
1963, Address at the Free University of Berlin
How To Defend Society Against Science (1975)
As quoted in "Space All systems go for National Space Day" at CNN (4 May 2000) http://articles.cnn.com/2000-05-03/tech/space.day_1_challenger-center-space-science-education-international-space-station-the?_s=PM:TECH; also at John Glenn Friendship 7 Day http://www.bandmonline.com/john-glenn-friendship-7-day-1.2673727#.TzyskbSt3LQ.
Source: Father and Child Reunion (2001), p. 236.
As quoted in Emerging Trends In Inclusive Education (2007) by Kaushal Sharma and B.C. Mahapatra, p. 347