1967/61/1

On embedding decomposition spaces of ${\displaystyle E^n}$ in ${\displaystyle E^{n+1}}$

Topologies with ${\displaystyle T_1}$-complements

An extension of a theorem of Gaifman-Hales-Solvay

Core decompositions of continua

Spaces in which sequences suffice II

On bundles over a sphere with fibre Euclidean space

The hypothesis ${\displaystyle 2^{{\aleph }_0}\le {\aleph }_n}$ and ambiguous points of planar functions

Quotienten geordneter Räume und Folgenkonvergenz

Note on metric-dependent dimension functions

On subspaces of Moore spaces II

A complete, infinitary axiomatization of weak second-order logic

On the homotopy type of compact polyhedra

On systems of interlocking exact sequences