| 0 | -- | 0 | R. Lowen. Editorial |
| 1 | -- | 19 | Horst Herrlich, Miroslav Husek. Some open categorical problems in Top |
| 21 | -- | 50 | Hartmut Ehrig, Michael Löwe. Categorical principles, techniques and results for high-level-replacement systems in computer science |
| 51 | -- | 57 | L. D. Nel. Differential calculus founded on an isomorphism |
| 59 | -- | 83 | Reinhard Börger, Walter Tholen, Anna Tozzi. Lexicographic sums and fibre-faithful maps |
| 85 | -- | 94 | G. M. Kelly, Stephen Lack. Finite-product-preserving functors, Kan extensions, and strongly-finitary 2-monads |
| 95 | -- | 102 | G. M. Kelly, Stephen Lack, Robert F. C. Walters. Coinverters and categories of fractions for categories with structure |
| 103 | -- | 110 | George Janelidze, Dietmar Schumacher, Ross Street. Galois theory in variable categories |
| 111 | -- | 132 | Horst Herrlich. Compact::::T::::::0::-spaces and::::T::::::0::-compactifications |