[85] “Young at Seventy,” Am. Rev. of Revs., vol. 57, p. 415.
[86] The Secret of a Much Longer Life and More Pleasure in Living It, 1906.
[87] “Why I am Well at Eighty,” Ladies Home J., April, 1919.
[88] “How I Came to Be Doing More Work at Seventy-Seven than at Forty-Seven,” Ibid.
[89] “Viewpoint of a Sexagenarian Contributor,” Unpartizan Rev., July, 1920.
[90] James M. Ludlow, Along the Friendly Way, Reminiscences and Impressions, New York, 1919, 362 p.
[91] “Confessions of a Septuagenarian Contributor,” Unpartizan Rev., July, 1920.
[92] Old Age.
[93] The Autocrat of the Breakfast Table, Chap. VII, and also in Over the Teacups, p. 26, et seq.
[94] Old Age and Immortality, 1893.