Quelques démonstrations nouvelles dans la théorie des ensembles boreliens Engelking, R. — 1967 General Topology and its Relations to Modern Analysis and Algebra
Sur un problème de K. Urbanik concernant les ensembles linéaires R. Engelking — 1961 Colloquium Mathematicae
On Borel sets and B-measurable functions in metric spaces R. Engelking — 1967 Commentationes Mathematicae The article contains no abstract
Cztery twierdzenia o przestrzeni podzbiorów mierzalnych prostej R. Engelking — 1962 Commentationes Mathematicae The article contains no abstract
O pewnych uzwarceniach przestrzeni topologicznych R. Engelking — 1963 Commentationes Mathematicae The article contains no abstract
Metrizability and weight of inverses under confluent mappings R. Engelking; A. Lelek — 1970 Colloquium Mathematicae
On compactifications allowing extensions of mappings R. Engelking; E. Sklyarenko — 1964 Fundamenta Mathematicae
Some theorems of set theory and their topological consequences R. Engelking; M. Karłowicz — 1965 Fundamenta Mathematicae
Quelques théorèmes de l'Algèbre de Boole et leurs applications topologiques R. Engelking; Casimir Kuratowski — 1962 Fundamenta Mathematicae
Topological Well-Ordering and Continuous Selections. E. MICHAEL; R. ENGELKING; R.W. HEATH Inventiones mathematicae