The Edward T. LeBlanc Memorial Dime Novel Bibliography

Edition - The Knock-out-Drops Gang; or, The Bradys' Risky Venture. - Secret Service edition, first appearance

(source: Stanford Libraries)
Online Full Text: Stanford Digital Repository
Series: Secret Service: Old and Young King Brady, Detectives no. 38
Item: The Knock-out-Drops Gang; or, The Bradys' Risky Venture.
Author: New York Detective (pseudonym used by multiple people)
Date: October 13, 1899
Publisher: Frank Tousey (New York (N.Y.): 24 Union Square) -- United States