L.M. · P.M. · Peter L. · Peter M.
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| The 20-cm Schmidt-Cassegrain Telescope: A Practical Observing Guide | Printed Access Code | 978-0-511-56490-1 | 2012 |
| The 20-cm Schmidt-Cassegrain Telescope: A Practical Observing Guide | Paperback | 978-0-521-64441-9 | 1999 |
| The 20-cm Schmidt-Cassegrain Telescope: A Practical Observing Guide | Hardcover | 978-0-521-43360-0 | 1994 |
| Unusual Telescopes | Paperback | 978-0-521-48393-3 | 1995 |
| Unusual Telescopes | Hardcover | 978-0-521-38200-7 | 1992 |