| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Laws of Form | 978-0-525-47544-6 (0-525-47544-3) | 1979 |
| The Four-color Theorem: 2 | 978-0-525-10785-9 (0-525-10785-1) | 1985 |
Dr Spencer William Brown · G. Spencer-Brown · George Spencer-Brown · S. B · S. Brown · Spencer Kellogg Brown