Hancock, H. Irving (Harrie Irving), 1868-1922
The Young Engineers in Arizona - Laying Tracks on the Man-killer Quicksand
The Young Engineers in Colorado
- Or, At Railwood Building in Earnest
The Young Engineers in Mexico
- Or, Fighting the Mine Swindlers
The Young Engineers in Nevada
- Or, Seeking Fortune on the Turn of a Pick
The Young Engineers on the Gulf
- Or, The Dread Mystery of the Million Dollar Breakwater
Uncle Sam's Boys in the Philippines - or, Following the Flag against the Moros
Uncle Sam's Boys with Pershing's Troops - Dick Prescott at Grips with the Boche


