Item - The Bradys and the Demon Doctor; or, The House of Many Mysteries

(Secret Service edition, first appearance - source: Stanford Libraries)

(Secret Service edition, second appearance - source: Digital Library @ Villanova University)

Combined Summary

Online Full Text:	Digital Library @ Villanova University (Secret Service edition, second appearance) Stanford Digital Repository (Secret Service edition, first appearance)
Series:	Secret Service: Old and Young King Brady, Detectives — no. 401 Secret Service: Old and Young King Brady, Detectives — no. 1126 — chapters I-XII; conclusion, pages 1-20
Subjects / Tags:	Detective Medical
Author:	New York Detective (pseudonym used by multiple people)
Dates:	September 28, 1906 (Secret Service edition, first appearance) August 20, 1920 (Secret Service edition, second appearance)
Publishers:	Secret Service edition, first appearance: Frank Tousey (New York (N.Y.): 24 Union Square) -- United States Secret Service edition, second appearance: Frank Tousey (New York (N.Y.): 24 Union Square) -- United States