- Johnstone, P. T (2)
- Conference on Category Theory and Computer Science (1)
- Fourman, M. P., 1950- (1)
- Johnstone, P. T. (1)
- London Mathematical Society Symposium on Applications of Categories in Computer Science (1)
- Paré, Robert, 1944- (1)
- Pitt, David (David H.) (1)
- Pitts, A. M (1)
- Rydeheard, D. E. (David E.) (1)