1. J.ADÁMEK, H.HERRLICH, G.E.STRECKER: Least and largest initial completions. Preprint.
2. -,-,-: The structure of initial completions. Preprint.
3. J. ADÁMEK, Y. KOUBEK: What to embed into a cartesion closed topological category. Comment.Math.Univ. Carolinae 18, 817–821 (1977).
4. -.-: Cartesian closed fibre-completions. Preprint.
5. P. ANTOINE: Étude élémentaire des catégories d'ensembles structurés. Bull.Soc.Math.Belgique 18, 142–164 (1966).