- Banjolele Songbook: Easy Songs For Beginners
- Easy Peasy Ukulele: The Ultimate Beginner's Guide to Ukulele
- Learn to Play Guitalele: The Complete Course For Beginners
- A Standard English-Swahili Dictionary; founded on Madan's English-Swahili Dictionary and revised under the direction of Frederick Johnson
- Ukulele For Beginners: Easy Pop Songs & Melodies