| 1 | -- | 7 | George Janelidze, Martin Hyland, Michael Johnson, Peter T. Johnstone, Stephen Lack, Ross Street, Walter Tholen, Richard J. Wood. Foreword - Special Issue Dedicated to the Memory of Professor Gregory Maxwell Kelly |
| 9 | -- | 38 | Michel Hébert. Weak Reflections and Weak Factorization Systems |
| 39 | -- | 60 | Keith A. Hardie, Klaus Heiner Kamps, Peter J. Witbooi. A Coherent Homotopy Category of 2-track Commutative Cubes |
| 61 | -- | 92 | Christopher F. Townsend. The Patch Construction is Dual to Algebraic DCPO Representation |
| 93 | -- | 135 | Michael Batanin, Mark Weber. Algebras of Higher Operads as Enriched Categories |
| 233 | -- | 255 | Zurab Janelidze, Aldo Ursini. Split Short Five Lemma for Clots and Subtractive Categories |
| 257 | -- | 270 | Tamar Janelidze. Incomplete Relative Semi-Abelian Categories |
| 271 | -- | 276 | George Janelidze, Manuela Sobral. Descent for Regular Epimorphisms in Barr Exact Goursat Categories |
| 277 | -- | 292 | Stefano Kasangian, Anna Labella, Andrea Montoli. Generalising Conduché s Theorem |
| 293 | -- | 299 | John Power. Unicity of Enrichment over Cat or Gpd |
| 301 | -- | 319 | Gareth Boxall, David B. Holgate. Connected and Disconnected Maps |
| 321 | -- | 361 | Ignacio López Franco, Ross Street, Richard J. Wood. Duals Invert |
| 363 | -- | 391 | Stephen Lack, Jirí Rosický. Notions of Lawvere Theory |
| 425 | -- | 437 | Luisa de Francesco Albasini, Nicoletta Sabadini, Robert F. C. Walters. The Compositional Construction of Markov Processes |