The Edward T. LeBlanc Memorial Dime Novel Bibliography

Edition - The Black Dagger - The Chicago Ledger edition

(source: Digital Library @ Villanova University)
Online Full Text: Digital Library @ Villanova University
Series: The Chicago Ledger v. 28 no. 18 (chapters 25-28, conclusion)
Item: The Black Dagger
Author: Harbaugh, T. C. (Thomas Chalmers), 1849-1924
Date: May 5, 1900