On a problem of J. Nagata
On bicompacta which are unions of two subspaces of a certain type
On d-paracompactness and related properties
On locally finite coverings
On Martin's axiom and perfect spaces
On normality and countable paracompactness
On rectangles and countably generated families
On subspaces of separable first countable -spaces
On subspaces of the Pixley-Roy example
On the metrizability of -spaces and its relationship to the normal Moore space conjecture