The Edward T. LeBlanc Memorial Dime Novel Bibliography

Edition - The Bradys and the Typewriter; or, The Office Boy's Secret - Secret Service edition, first appearance

(source: Stanford Libraries)
Online Full Text: Stanford Digital Repository
Series: Secret Service: Old and Young King Brady, Detectives no. 155
Item: The Bradys and the Typewriter; or, The Office Boy's Secret
Author: New York Detective (pseudonym used by multiple people)
Date: January 10, 1902
Publisher: Frank Tousey (New York (N.Y.): 24 Union Square) -- United States