| ALGOL 60 | 1959 | Numerical Scientific | True ALGOL60s | International | Algorithm Language |
| ALGOL 60 Modified | 1977 | Numerical Scientific | True ALGOL60s | International | 1970 final revision of ALGOL 60 |
| Algol 60 Publishing | 1959 | Numerical Scientific | True ALGOL60s | International | Typographically rich form of Algol 60 |
| ALGOL 60 Revised | 1963 | Numerical Scientific | True ALGOL60s | International | Revised report of IAL committee |