- Author: John Allan, John Butterworth, Myrtle Langley
- Language: Czech
- Year: 1993
- Author: John Allan, John Butterworth, Myrtle Langley
- Language: Czech
- Year: 1993
- Author: John Butterworth David Mackey John Wasnick
- Language: English
- Year: 2022
- Author: John Butterworth, David C. Mackey, John D. Wasnick
- Language: English
- Year: 2018
- Author: Patrick Moriarty John Butterworth Charles Batchelor
- Language: English
- Year: 2004
- Author: John Butterworth David C. Mackey John Wasnick
- Language: English
- Year: 2013
Punctuation
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- Author: John Butterworth
- Language: English
- Year: 1999