Calaprice, Alice (2000). The Expanded Quotable Einstein. Princeton: Princeton University Press, p. 217. Einstein Archives 59–797.Arxivləşdirilib 2018-08-25 at the Wayback Machine
Calaprice, Alice (2010). The Ultimate Quotable Einstein. Princeton: Princeton University Press, p. 325.Arxivləşdirilib 2022-07-11 at the Wayback Machine
Holton, G. J. and Yehuda Elkana (1997). Albert Einstein: Historical and Cultural Perspectives. New York: Dover Publications, p. 309.Arxivləşdirilib 2017-02-18 at the Wayback Machine
Rowe, David and Robert Schulmann (2007). Einstein on Politics: His Private Thoughts and Public Stands on Nationalism. Princeton: Princeton University Press, pp. 229–230.Arxivləşdirilib 2021-04-15 at the Wayback Machine
Goldsmith, Maurice, Alan Mackay, James Woudhuysen, eds. (2013). Einstein: The First Hundred Years. New York: Pergamon Press. p. 192.Arxivləşdirilib 2021-04-15 at the Wayback Machine
Hermanns, William (1983). Einstein and the Poet. In Search of the Cosmic Man. Brookline Village MA: Branden Books, p. 60.Arxivləşdirilib 2016-06-23 at the Wayback Machine
Goldsmith, Maurice, Alan Mackay, James Woudhuysen, eds. (2013). Einstein: The First Hundred Years. New York: Pergamon Press. p. 100.Arxivləşdirilib 2021-04-15 at the Wayback Machine
Hermanns, William (1983). Einstein and the Poet: In Search of the Cosmic Man. Brookline Village MA: Branden Books, p. 62.Arxivləşdirilib 2021-02-19 at the Wayback Machine
Calaprice, Alice (2011). The Ultimate Quotable Einstein. Princeton: Princeton University Press, p. 337.Arxivləşdirilib 2021-04-15 at the Wayback Machine
Hermanns, William (1983). Einstein and the Poet. In Search of the Cosmic Man. Brookline Village MA: Branden Books, p. 32.Arxivləşdirilib 2021-03-07 at the Wayback Machine
Holder, R. D. and S Mitton (2013). Georges Lemaître: Life, Science and Legacy. New York: Springer Science, p. 10.Arxivləşdirilib 2021-04-15 at the Wayback Machine
Dukas, Helen, ed. (1981). Albert Einstein, The Human Side. Princeton: Princeton University Press, p. 94Arxivləşdirilib 2021-04-15 at the Wayback Machine.
Goldsmith, Donald and Marcia Bartusiak (2006). E = Einstein: His Life, His Thought, and His Influence on Our Culture. New York: Stirling Publishing, p. 187.Arxivləşdirilib 2021-04-15 at the Wayback Machine
Dukas, Helen (1981). Albert Einstein, The Human Side. Princeton: Princeton University Press, p. 95.Arxivləşdirilib 2021-04-15 at the Wayback Machine Letter to a Brooklyn minister November 20, 1950.
Dukas, Helen (1981). Albert Einstein, The Human Side. Princeton: Princeton University Press, p. 66.Arxivləşdirilib 2021-04-15 at the Wayback Machine
Elkana, Yehuda and Adi Ophir, eds. (1979). Einstein 1879–1979: Exhibition. New York: Jewish National and University Library, p. 48.Arxivləşdirilib 2022-03-11 at the Wayback Machine
Calaprice, Alice (2010). The Ultimate Quotable Einstein. Princeton: Princeton University Press, p. 325.Arxivləşdirilib 2022-07-11 at the Wayback Machine
Calaprice, Alice (2000). The Expanded Quotable Einstein. Princeton: Princeton University Press, p. 217. Einstein Archives 59–797.Arxivləşdirilib 2018-08-25 at the Wayback Machine
Holton, G. J. and Yehuda Elkana (1997). Albert Einstein: Historical and Cultural Perspectives. New York: Dover Publications, p. 309.Arxivləşdirilib 2017-02-18 at the Wayback Machine
Rowe, David and Robert Schulmann (2007). Einstein on Politics: His Private Thoughts and Public Stands on Nationalism. Princeton: Princeton University Press, pp. 229–230.Arxivləşdirilib 2021-04-15 at the Wayback Machine
Goldsmith, Maurice, Alan Mackay, James Woudhuysen, eds. (2013). Einstein: The First Hundred Years. New York: Pergamon Press. p. 192.Arxivləşdirilib 2021-04-15 at the Wayback Machine
Hermanns, William (1983). Einstein and the Poet. In Search of the Cosmic Man. Brookline Village MA: Branden Books, p. 60.Arxivləşdirilib 2016-06-23 at the Wayback Machine
Goldsmith, Maurice, Alan Mackay, James Woudhuysen, eds. (2013). Einstein: The First Hundred Years. New York: Pergamon Press. p. 100.Arxivləşdirilib 2021-04-15 at the Wayback Machine
Hermanns, William (1983). Einstein and the Poet: In Search of the Cosmic Man. Brookline Village MA: Branden Books, p. 62.Arxivləşdirilib 2021-02-19 at the Wayback Machine
Calaprice, Alice (2011). The Ultimate Quotable Einstein. Princeton: Princeton University Press, p. 337.Arxivləşdirilib 2021-04-15 at the Wayback Machine
Hermanns, William (1983). Einstein and the Poet. In Search of the Cosmic Man. Brookline Village MA: Branden Books, p. 32.Arxivləşdirilib 2021-03-07 at the Wayback Machine
Holder, R. D. and S Mitton (2013). Georges Lemaître: Life, Science and Legacy. New York: Springer Science, p. 10.Arxivləşdirilib 2021-04-15 at the Wayback Machine
Dukas, Helen, ed. (1981). Albert Einstein, The Human Side. Princeton: Princeton University Press, p. 94Arxivləşdirilib 2021-04-15 at the Wayback Machine.
Goldsmith, Donald and Marcia Bartusiak (2006). E = Einstein: His Life, His Thought, and His Influence on Our Culture. New York: Stirling Publishing, p. 187.Arxivləşdirilib 2021-04-15 at the Wayback Machine
Elkana, Yehuda and Adi Ophir, eds. (1979). Einstein 1879–1979: Exhibition. New York: Jewish National and University Library, p. 48.Arxivləşdirilib 2022-03-11 at the Wayback Machine
Dukas, Helen (1981). Albert Einstein, The Human Side. Princeton: Princeton University Press, p. 95.Arxivləşdirilib 2021-04-15 at the Wayback Machine Letter to a Brooklyn minister November 20, 1950.
Dukas, Helen (1981). Albert Einstein, The Human Side. Princeton: Princeton University Press, p. 66.Arxivləşdirilib 2021-04-15 at the Wayback Machine