- The Hours of Catherine of Cleves
- The Hours of Catherine of Cleves / introduction and commentaries by John Plummer
- Air Baja!: A Pilot's Guide to the Forgotten Peninsula
- Old Testament Miniatures: A Medieval Picture Book With 283 Paintings from the Creation to the Story of David
- A Mayoral Year. [An account of the year of office of C. J. Roberts, Mayor of Sydney, New South Wales, 1879. Compiled by J. Plummer.]