| | Remarques sur la Théorie de l'Hexagone logique de Blanché, p. 386, by Sauriol, Pierre | 1968 | Non-Sigma | 4 | Hexagon |
| | Remarques sur la Théorie de l'Hexagone logique de Blanché, p. 387, by Sauriol, Pierre | 1968 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Remarques sur la Théorie de l'Hexagone logique de Blanché, p. 387, by Sauriol, Pierre | 1968 | Non-Sigma | 4 | Hexagon |
| | Remarques sur la Théorie de l'Hexagone logique de Blanché, p. 388, by Sauriol, Pierre | 1968 | Sherwood-Czeżowski Sigma-3 | 4 | Hexagon |
| | Knowledge, negation, and incompatibility, p. 582, by Englebretsen, George | 1969 | Classical Sigma-2 | 3 | Rectangle |
| | Knowledge, negation, and incompatibility, p. 583, by Englebretsen, George | 1969 | Classical Sigma-2 | 3 | Rectangle |
| | Knowledge, negation, and incompatibility, p. 583, by Englebretsen, George | 1969 | Classical Sigma-2 | 3 | Rectangle |
| | Knowledge, negation, and incompatibility, p. 583, by Englebretsen, George | 1969 | Classical Sigma-2 | 3 | Rectangle |
| | Knowledge, negation, and incompatibility, p. 584, by Englebretsen, George | 1969 | Classical Sigma-2 | 3 | Rectangle |
| | Sur le système des connecteurs interpropositionnels, p. 144, by Blanché, Robert | 1969 | Sigma-5 Graph | 4 | Hexagon |
| | Sur le système des connecteurs interpropositionnels, p. 133, by Blanché, Robert | 1969 | Classical Sigma-2 | 3 | Square |
| | Sur le système des connecteurs interpropositionnels, p. 133, by Blanché, Robert | 1969 | Classical Sigma-2 | 3 | Square |
| | Theophrastische Modallogik, p. 74, by Lorenzen, Paul | 1969 | Non-Sigma | 4 | Rectangle |
| | La proposition particulière et les preuves de non-concluance chez Aristote, p. 7, by Brunschwig, Jacques | 1969 | Classical Sigma-2 | 3 | Rectangle |
| | La proposition particulière et les preuves de non-concluance chez Aristote, p. 7, by Brunschwig, Jacques | 1969 | A Single PCD | 2 | Rectangle |
| | La proposition particulière et les preuves de non-concluance chez Aristote, p. 8, by Brunschwig, Jacques | 1969 | A Single PCD | 2 | Rectangle |
| | A System of Modal Logic, p. 354, by Łukasiewicz, Jan | 1970 | Classical Sigma-2 | 3 | Square |
| | Aristotle and the Moral Square of Opposition, p. 102, by Gildin, Hilail | 1970 | Non-Sigma | 3 | Two Dimensional Shape |
| | The Process of Determinism, p. 45, by Fischer, Gilbert R. | 1971 | Classical Sigma-2 | 3 | Rectangle |
| | Bentham's 'Of Laws in General', p. 62, by Hart, H. L. A. | 1971 | Classical Sigma-2 | 3 | Rectangle |
| | Elementare Logik, p. 167, by Segeth, Wolfgang | 1971 | Classical Sigma-2 | 3 | Rectangle |
| | Sur la trivalence, p. 575, by Blanché, Robert | 1972 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | Sur la trivalence, p. 576, by Blanché, Robert | 1972 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | Sur la trivalence, p. 577, by Blanché, Robert | 1972 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |
| | Sur la trivalence, p. 579, by Blanché, Robert | 1972 | Jacoby-Sesmat-Blanché Sigma-3 | 3 | Hexagon |