[1] Z. HEDRLÍN: Extensions of structures and full embeddings of categories. Proc. Intern. Congr. of Mathematicians, Nice 1970 (Gauthier-Villars, Paris 1971). MR 0419554

[2] Z. HEDRLÍN A. PULTR: On full embeddings of categories of algebras. Illinois J. Math. 10 (1966), 392-406. MR 0191858

[3] Z. HEDRLÍN A. PULTR: On categorical embeddings of topological structures into algebraic. Comment. Math. Univ. Caroline 7 (1966), 377-400. MR 0202797

[4] H. HERRLICH G. E. STRECKSR: Category Theory. Allyn and Bacon, Boston 1973.

[5] J. R. ISBELL: Adequate subcategories. Illinois J. Math. 4 (I960), 541-552. MR 0175954 | Zbl 0555.18001

[6] J. R. ISBELL: Subobjects, adequacy, completeness and categories of algebras. Rozprawy Matematyczne XXXVI, Warszawa 1964. Zbl 0133.26703

[7] J. R. ISBELL: Structure of categories. Bull. Amer. Math. Soc. 72 (1966), 619-655. MR 0206071 | Zbl 0142.25401

[8] J. R. ISBELL: Small adequate subcategories. J. London Math. Soc. 43 (1968), 242-246. MR 0223423 | Zbl 0155.03601

[9] J. LAMBEK: Completion of categories. Lecture Notes in Math. 24, Srpinger-Verlag, Berlin - New York 1966. MR 0209330

[10] S. Mac LANE: Categories for the Working Mathematician. Springer-Verlag, Berlin - New York 1971. MR 1712872 | Zbl 0232.18001

[11] J. ROSICKÝ: Full embeddings with a given restriction. Comment. Math. Univ. Carolinae 14 (1973), 519-540. MR 0327866

[12] J. ROSICKÝ: Concerning binding categories. submitted to Czech. Math. J.

[13] J. ROSICKÝ: On extensions of full embeddings and binding categories. Comment. Math. Univ. Carolinae 15 (1974), 631-635. MR 0354805

[14] A. PULTR: On selecting of morphisms among all mappings between underlying sets of objects in concrete categories and realizations of these. Comment. Math. Univ. Carolinae 8 (1967), 53-83. MR 0210764 | Zbl 0166.27502

[15] J. SICHLER: Testing categories and strong universality. Can. J. Math. XXV (1973), 370-386. MR 0318258 | Zbl 0265.18006