Spofford, Harriet Prescott. "Clara Louise Kellogg." Our Famous Women: An Authorized Record of The Lives and Deeds of Distinguished American Women of Our Times. Hartford, Conn. : A. D. Worthington, 1884. 359-385.
Spofford states that Clara Louise Kellogg sang I know that my Redemmer liveth at Horace Greeley's funeral and that, during his final days, Greeley spoke of Kellogg as one of the most remarkable women he had known (383-384).
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