| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Informal Introduction to Algol 68 | Hardcover | 978-0-7204-0504-0 | 1977 | C.H. Lindsey |
| Informal Introduction to Algol 68 | Paperback | 978-0-7204-0726-6 | 1977 | " |
| Informal Introduction to Algol 68 | " | 978-0-7204-2090-6 | 1973 | C H Lindsey |
| Informal introduction to ALGOL 68 | Hardcover | 978-0-7204-2048-7 | 1971 | |