Concerning a categorial approach to topological and algebraic theories
Concerning a certain -algebra in compact Hausdorff spaces
Concerning a closed subset of a dendroid containing 2-ramification points
Concerning a non-realizability of connected compact semi-separated closure operations by set-systems
Concerning a problem due to Sam B. Nadler, Jr.
Concerning almost realcompactifications
Concerning atriodic tree-like continua
Concerning certain minimal cover refineable spaces
Concerning closed quasi-orders on hereditarily unicoherent continua
Concerning cut point spaces of order three.
Concerning decompositions of continua
Concerning first countable spaces
Concerning hereditarily locally connected continua
Concerning indecomposable continua and upper semicontinuous collections of nondegenerate continua
Concerning infinite-dimensional spaces
Concerning irreducible continua of higher dimension
Concerning irreducible continua with homeomorphic layers
Concerning locally homotopy negligible sets and characterization of -manifolds
Concerning point sets with a special connectedness property, II
Concerning product of paracompact spaces