G. Brown · George Spencer-Brown · S. Brown · Spencer-Brown
| title | media type | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|---|
| Laws of Form | Paperback | 978-0-9639899-0-1 (0-9639899-0-1) | 1994 |
| Laws of Form | Hardcover | 978-0-517-52776-4 (0-517-52776-6) | 1972 |
| Laws of Form | Unknown Binding | 978-0-04-510028-6 (0-04-510028-4) | 1969 |