^"The Spiritual Massage", New York Times, Aug. 23, 1902, p. BR8; "Books and Men", New York Times, July 26, 1902, p. BR12; interview with Sawyer in The Bookman, v. 15, no. 6, (August 1902), reproduced in Pearson, Dime Novels (Boston: Little Brown, 1929); "King of Dime Novelists", Washington Post, Nov. 15, 1903.
^"Jess Nevins' Nick Carter Page". مؤرشف من الأصل في 2007-11-20. اطلع عليه بتاريخ 2008-06-04.{{استشهاد ويب}}: صيانة الاستشهاد: BOT: original URL status unknown (link) (accessed June 3, 2008) lists 23 authors who "had a hand" in the series, though most were likely writing magazine stories rather than novels.
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