| *n | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ United States | ||
| 1.pak | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ Graph | ⊕ Canada | Goal-directed graph-pattern-matching language |
| CLISP | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ||
| LINGOL | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ United States | ||
| LPL | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ List | ⊕ United States | List processing language |
| Marseille Prolog | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ France | |
| M-Prolog | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ France | |
| POGOL | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ Editing and processing | ⊕ United States | Advanced file manipulation system |
| QLISP | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | Questioning LISP |
| SB-Prolog | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ United States | |
| SED | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ Editing and processing | ⊕ United States | Stream Editor |
| UCI-LISP | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ United States | |
| Vlisp | ⊕ 1973 | ↓ ↑ ⊕ String and List Processing | ⊕ Lazy Evaluation LISPs | ⊕ France |