| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| The Study of variable Stars using small Telescopes. | Hardcover | 978-0-521-33300-9 | 1987 | |
| The Teaching of Astronomy: IAU Colloquium 105 | Paperback | 978-0-521-42966-5 | 1992 | Jay M. Pasachoff |
| The Teaching of Astronomy: IAU Colloquium 105 | Hardcover | 978-0-521-35331-1 | 1990 | " |
| Understanding Variable Stars | Paperback | 978-1-107-40370-3 | 2011 | |
| Understanding Variable Stars | Hardcover | 978-0-521-23253-1 | 2007 | |
| Variable Star Research: An International Perspective | " | 978-0-521-40469-3 | 1991 | Janet Akyuz Mattei · Christiaan Sterken |
J. P. · J R · J. R. Percy · John P. · John Percy · John R. · R. P.