The Union Jack, New Series No. 525, Thursday, November 1, 1913.
OC iv, 28 p. : ill. Full page illustration on cover. Cover title. Donated by Demian Katz. Price "1d". Cover story: "Tinker's Terrible Test. A Tale of Sexton Blake and his Young Assistant." Running title: "Union Jack Library".
London : The Fleetway House
The Union Jack, New Series -- No. 525