Cambridge University Press · Cornell University Library
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Sketches of the Philosophy of Apparitions: Or, An Attempt to Trace Such Illusions to their Physical Causes | 978-1-108-02772-4 (1-108-02772-5) | 2011 |
| Sketches of the Philosophy of Apparitions: Or, an Attempt to Trace Such Illusions to Their Physical Causes | 978-1-112-49743-8 (1-112-49743-9) | 2009 |