| 685 | -- | 686 | Maria Manuel Clementino, Marino Gran, Manuela Sobral, Ross Street, Walter Tholen. Foreword |
| 687 | -- | 697 | Nelson Martins-Ferreira, Andrea Montoli, Manuela Sobral. Semidirect Products and Split Short Five Lemma in Normal Categories |
| 699 | -- | 714 | Richard N. Ball, Jorge Picado, Ales Pultr. Notes on Exact Meets and Joins |
| 715 | -- | 726 | Bachuki Mesablishvili. Descent in Locally Presentable Categories |
| 727 | -- | 739 | Themba Dube, Inderasan Naidoo, C. N. Ncube. Isocompactness in the Category of Locales |
| 741 | -- | 753 | John Frith, Anneliese Schauerte. A Method for Constructing Coreflections for Nearness Frames |
| 755 | -- | 766 | Zurab Janelidze. On the Form of Subobjects in Semi-Abelian and Regular Protomodular Categories - Dedicated to my father George Janelidze on the occasion of his sixtieth birthday |
| 767 | -- | 788 | Maria Manuel Clementino, Dirk Hofmann, Andrea Montoli. Covering Morphisms in Categories of Relational Algebras |
| 789 | -- | 803 | Stephen Lack, Ross Street. A Skew-Duoidal Eckmann-Hilton Argument and Quantum Categories |
| 805 | -- | 816 | Marino Gran, Diana Rodelo. The Cuboid Lemma and Mal'tsev Categories - Dedicated to George Janelidze on the occasion of his 60th birthday |
| 817 | -- | 831 | Valérian Even. A Galois-Theoretic Approach to the Covering Theory of Quandles |
| 833 | -- | 856 | Dominique Bourn. Two Ways to Centralizers of Equivalence Relations |
| 857 | -- | 872 | Tamar Janelidze-Gray. Composites of Central Extensions Form a Relative Semi-Abelian Category |
| 873 | -- | 898 | René Guitart. Contractible Exact Squares |
| 899 | -- | 906 | Nelson Martins-Ferreira, Tim Van der Linden. A Decomposition Formula for the Weighted Commutator |
| 907 | -- | 929 | Walter Tholen. Nullstellen and Subdirect Representation |
| 931 | -- | 960 | Alan S. Cigoli, Sandra Mantovani, Giuseppe Metere. A Push Forward Construction and the Comprehensive Factorization for Internal Crossed Modules |
| 961 | -- | 979 | Tomas Everaert. Higher Central Extensions in Mal'tsev Categories |
| 981 | -- | 1007 | James Richard Andrew Gray. Normalizers, Centralizers and Action Representability in Semi-Abelian Categories |
| 1009 | -- | 1020 | Diana Rodelo, Tim Van der Linden. Approximate Hagemann-Mitschke Co-operations |