- eBookBert Wilson, Wireless OperatorJ. W. Duffield
- eBookRadio Boys in the Secret ServiceJ. W. Duffield
- eBookRadio Boys in the Flying Service; or, Held For Ransom by Mexican BanditsJ. W. Duffield
- eBookBert Wilson at the WheelJ. W. Duffield
- eBookBert Wilson, Marathon WinnerJ. W. Duffield
- eBookBert Wilson at PanamaJ. W. Duffield
- eBookRadio Boys in the Secret Service; Or, Cast Away on an IcebergJ. W. Duffield
- eBookBert Wilson in the RockiesJ. W. Duffield
- eBookBert Wilson's Twin Cylinder RacerJ. W. Duffield
- eBookThe Radio Boys in the Thousand Islands Or, The Yankee-Canadian Wireless TrailJ. W. Duffield
- eBookRadio Boys in the Flying Service; or, Held For Ransom by Mexican BanditsJ. W. Duffield
- eBookBert Wilson on the GridironJ. W. Duffield
- eBookBert Wilson's Fadeaway BallJ. W. Duffield