1. Adámek, J., Herrlich, H., Strecker, G.E.: Abstract and Concrete Categories. Wiley, New York. Freely available at
http://www.math.uni-bremen.de/~dmb/acc.pdf
(1990)
2. Adámek, J., Milius, S., Sousa, L.: On finitary functors and finitely presentable algebras (in preparation)
3. Adámek, J., Rosický, J.: Locally Presentable and Accessible Categories. Cambridge University Press, Cambridge (1994)
4. Lecture Notes on Mathematics;H Appelgate,1969
5. Day, B.: Further criteria for totality. Cahiers de Topologie et Géométrie Différentielle Catégoriques 28, 77–78 (1987)