Clarke 1910, p. 19. F. W. Clarke, Wolcott Gibbs 1822-1908 (PDF), in Biographical Memoirs of the National Academy of Sciences, VII, Washington, National Academy of Sciences, 1910.
Clarke 1910, p. 15. F. W. Clarke, Wolcott Gibbs 1822-1908 (PDF), in Biographical Memoirs of the National Academy of Sciences, VII, Washington, National Academy of Sciences, 1910.
Clarke 1910, p. 17. F. W. Clarke, Wolcott Gibbs 1822-1908 (PDF), in Biographical Memoirs of the National Academy of Sciences, VII, Washington, National Academy of Sciences, 1910.
Clarke 1910, p. 18. F. W. Clarke, Wolcott Gibbs 1822-1908 (PDF), in Biographical Memoirs of the National Academy of Sciences, VII, Washington, National Academy of Sciences, 1910.