Statistics for occurrence #1 of “J. L. Harbour” in chapter 1 of Historic leaves, volume 1, April, 1902 - January, 1903:

...story-writer and historian. Besides the other exercises there was prayer by President Capen of Tufts College; introductory remarks by John F. Ayer, president of the Historical Society; addresses by J. L. Harbour , one of the editors of the Youth's Companion; Hezekiah Butterworth, author and editor, and Rev. William H. Pierson, Mr. Brooks' pastor; and the singing of a hymn written by Sam Walter Foss. ...
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