| | Not Only Barbara, p. 100, by Dekker, Paul | 2015 | Moretti-Pellissier Sigma-4 | 5 | Cube |
| | Not Only Barbara, p. 101, by Dekker, Paul | 2015 | Moretti-Pellissier Sigma-4 | 5 | Cube |
| | Not Only Barbara, p. 122, by Dekker, Paul | 2015 | Jacoby-Sesmat-Blanché Sigma-3 | 4 | Triangular Prism |
| | Not Only Barbara, p. 123, by Dekker, Paul | 2015 | Degenerate Sigma-3 with Unconnectedness 4 | 5 | Triangular Prism |
| | Not Only Barbara, p. 124, by Dekker, Paul | 2015 | Non-Sigma | 4 | Tetrahedron |
| | Not Only Barbara, p. 125, by Dekker, Paul | 2015 | Non-Sigma | 5 | Tetrahedron |
| | Not Only Barbara, p. 126, by Dekker, Paul | 2015 | Moretti-Pellissier Sigma-4 | 4 | Cube |
| | Not Only Barbara, p. 126, by Dekker, Paul | 2015 | Non-Sigma | 4 | Tetrahedron |
| | Aristotle and Łukasiewicz on Existential Import, p. 537, by Read, Stephen | 2015 | Classical Sigma-2 | 3 | Rectangle |
| | Aristotle and Łukasiewicz on Existential Import, p. 538, by Read, Stephen | 2015 | Classical Sigma-2 | 3 | Rectangle |
| | Aristotle and Łukasiewicz on Existential Import, p. 540, by Read, Stephen | 2015 | Buridan Sigma-4 | 4 | Cube |
| | Introduction, p. 17, by Read, Stephen | 2015 | Classical Sigma-2 | 3 | Rectangle |
| | Introduction, p. 20, by Read, Stephen | 2015 | Classical Sigma-2 | 3 | Square |
| | Introduction, p. 33, by Read, Stephen | 2015 | Buridan Sigma-4 | 6 | Rectangle |
| | Introduction, p. 39, by Read, Stephen | 2015 | Buridan Sigma-4 | 6 | Rectangle |
| | Introduction, p. 40, by Read, Stephen | 2015 | Buridan Sigma-4 | 6 | Rectangle |
| | Introduction, p. 49, by Read, Stephen | 2015 | Classical Sigma-2 | 3 | Rectangle |
| | Critical Thinking. An Introduction to Reasoning Well, p. 93, by Watson, Jamie Carlin; Arp, Robert | 2015 | Classical Sigma-2 | 3 | Rectangle |
| | Êtes-vous logique ou pragmatique? Une perspective pragmatique sur les relations entre logique et langage, p. 13, by Moeschler, Jacques | 2015 | Classical Sigma-2 | 3 | Square |
| | Language and Logics. An Introduction to the Logical Foundations of Language, p. 61, by Gregory, Howard | 2015 | Classical Sigma-2 | 3 | Rectangle |
| | Pesky Essays on the Logic of Philosophy, p. 41, by Lucey, Kenneth G. | 2015 | Classical Sigma-2 | 3 | Rectangle |
| | Pesky Essays on the Logic of Philosophy, p. 46, by Lucey, Kenneth G. | 2015 | Classical Sigma-2 | 3 | Rectangle |
| | Pesky Essays on the Logic of Philosophy, p. 47, by Lucey, Kenneth G. | 2015 | | | Trapezoid |
| | Pesky Essays on the Logic of Philosophy, p. 54, by Lucey, Kenneth G. | 2015 | | | Cube |
| | Pesky Essays on the Logic of Philosophy, p. 56, by Lucey, Kenneth G. | 2015 | | | |