1971-1972/73/1

Characterizations of metric spaces by the use of their midsets: intervals

Dimension raising maps for which polyhedra are mapped to polyhedra

Involutions on solenoidal spaces

A reduced free product of lattices

Generalization of the notion of the Banach indicatrix

An unfinitizability proof by means of restricted reduced power

On Urysohn's universal separable metric space

C-scattered and paracompact spaces

The space of rationals is not absolutely paracompact

A metrization theorem for developable spaces

Galois spaces, representable spaces and strongly locally homogeneous spaces