The Edward T. LeBlanc Memorial Dime Novel Bibliography

Edition - The Bradys' Mexican Trail; or, Chasing the "King of the Mesa" - Secret Service edition, first appearance

(source: Stanford Libraries)
Online Full Text: Stanford Digital Repository
Series: Secret Service: Old and Young King Brady, Detectives no. 400
Item: The Bradys' Mexican Trail; or, Chasing the "King of the Mesa"
Author: New York Detective (pseudonym used by multiple people)
Date: September 21, 1906
Publisher: Frank Tousey (New York (N.Y.): 24 Union Square) -- United States