Office of the Chancellor. "Past Chancellors". University of California, Berkeley. Archived from the original on December 12, 2015. Retrieved December 24, 2015.
Lewis, G. N.; Seaborg, Glenn T. (August 1940). "The acidity of aromatic nitro compounds toward amines. The effect of double chelation". Journal of the American Chemical Society. 62 (8): 2122–2124. Bibcode:1940JAChS..62.2122L. doi:10.1021/ja01865a057. ISSN0002-7863.
Lewis, G. N.; Seaborg, Glenn T. (August 1940). "The acidity of aromatic nitro compounds toward amines. The effect of double chelation". Journal of the American Chemical Society. 62 (8): 2122–2124. Bibcode:1940JAChS..62.2122L. doi:10.1021/ja01865a057. ISSN0002-7863.
Office of the Chancellor. "Past Chancellors". University of California, Berkeley. Archived from the original on December 12, 2015. Retrieved December 24, 2015.
Lewis, G. N.; Seaborg, Glenn T. (August 1940). "The acidity of aromatic nitro compounds toward amines. The effect of double chelation". Journal of the American Chemical Society. 62 (8): 2122–2124. Bibcode:1940JAChS..62.2122L. doi:10.1021/ja01865a057. ISSN0002-7863.