Recent Publications "Small uncountable cardinals and Topology," in Open Problems in Topology, eds., Jan van Mill and G.M. Reed, North-Holland Pub. Co. Amsterdam (1990)195-118. Download: the PDF file
In fact, the entire book "Open Problems in Topology" is avaliable free (thanks to its editors Jan van Mill and Mike Reed).

"A comparison of two constructions in topology," Topology Proc. 15 (1990) 185-198. Download: the PDF file

"The Scarborough-Stone problem for Hausdorff spaces," (with Peter Nyikos) Topology and Appl. 44 (1992) 309-316. Download: the PDF file

"Accessible and biaccessible points in contrasequential spaces," (with Alan Dow) Annals of the New York Academy of Sciences, Vol 704 (1993) 92-102. Download: the PDF file

"On Frolik's characterization of class P," Czechoslovak Mathematical Journal 44 (1994) 1 - 6. Download: the PDF file

"Modeling expanding universes in Euclidean spaces," (with Suzanne M. Lea and E. E. Posey) Monographs in Undergraduate Mathematics, Vol 20, Journal of Undergraduate Mathematics, Guilford College, Greensboro 1994. Download: the PDF file (~706K).

"A countably compact, separable space which is not absolutely countably compact," Comment. Math. Univ. Carolinae 36, 1 (1995) 197-101. Download: the PDF file

"Is $\omega$* absolutely countably compact?" (with Jan van Mill), Papers on General Topology and Applications, Annals of the New York Acad. Sci., Vol 767, (1995) 161-164. Download: the PDF file

"On the product of a compact space with an absolutely countably compact space," Papers on General Topology and Applications, Annals of the New York Acad. Sci., Vol 788, (1996) 203-108. Download: the PDF file

"The Dugundji extension property can fail in $\omega_{\mu}$-metrizable spaces," (with Ian S. Stares) Fundamenta Mathematicae, 150 (1996) 11 -16. Download: the PDF file

"From countable compactness to absolute countable compactness," (with Mary Ellen Rudin and Ian S. Stares) Proc. Amer. Math. Soc. 125 (1997) 927-934. Download: the PDF file

"On Dow's reflection theorem for metrizable spaces," Topology Proceedings 22 (1997) 351 - 361. Download: the PDF file

"Nearly metacompact spaces," (with Elise Grabner and Gary Grabner), Topology & Appl. 98 (1999)191-201. Download: the PDF file

"Almost disjoint families and property (a)," (with Paul J. Szeptycki), Fundamenta Mathematicae Fund. Math 158 (1998) 229-140. Download: the PDF file

" An introduction to reflection theorems for cardinal functions" Second Galway-Oxford Topology Conference Proceedings; Lecture Notes presented at Oxford University. Download,, or read on-line at: Topology Atlas, 1998

"In memory of John Henderson Roberts (1906-1977)" (with Richard E. Hodel) Topology Proceedings 23 (1998) 201-218. Available to Download or read on-line: here or at Topology Atlas, 1998

"Reflection theorems for cardinal functions" (with Richard E. Hodel) Topology & Appl. 100 (2000) 47-66.

"Universal ultrametric spaces of smallest weight," Topology Proc. 24 (1999) 611- 619. Preprint available to Download or read on-line at: Topology Atlas Download : the PDF file

"Two spaces homeomorphic to Seq(p)," Comment. Math. Univ. Carolinae, 42,1 (2001) 209-218 Download: the PDF file

"Zero-dimensional spaces from linear structures," Indagationes Mathematicae 12(4) (2001) 585-596. Download: the PDF file

"Universal ultrametric spaces of weight $\tau^\omega$," Topology Proceedings 27 No. 1 (2003), pp. 345-349 Preprint available to Download or read on-line at: Topology Atlas Download (final version): the PDF file

"Two step iteration of almost disjoint families," Journal of Symbolic Logic 69 no. 1 (2004) 81-90. Download: the PDF file

"Countable Compactness," Encyclopedia of General Topology, K. P. Hart, J. Nagata, and J. E. Vaughan, eds, Elsevier (2004) 174-176. Download: the PDF file

"Heredity of $\tau$-pseudocompactness," Scientiae Mathematicae Japonicae, 62, No 2 (2005) 221-225. Download: the PDF file

"The Scarborough-Stone Problem," in "Open Problems in Topology," Elliott Pearl, ed., Elsevier, Amsterdam 2007. Pages 249-256 Download: the PDF file

"Countably compact hyperspaces and Frolik sums" with Istvan Juhasz, Topology and Appl. Volume 154, Issue 12, 15 June 2007, Pages 2434-2448 Download: the PDF file

"Mr\'owka maximal almost disjoint families for uncountable cardinals" with Alan Dow, Topology and Appl., Volume 157, Issue 8 (1 June 2010), 1379-1394. Download: the PDF file

"Ordinal Remainders of $\psi$-spaces" with Alan Dow, Topology and Appl., (Special Issue in memory of Melvin Henriksen) volume 158, issue 14, (1 September 2011) pp. 1852 - 1857. Download: the PDF file

"Ordinal Remainders of classical $\psi$-spaces" with Alan Dow, Fundamenta Mathematicae, 217 (2012) 83-93. Download: the PDF file

"Fibers of continuous real-valued functions on $\psi$-spaces" with Catherine Payne, Topology and Appl., (Special Issue in memory of Mary Ellen Rudin, Guest Editors Gary Gruenhage and Peter Nyikos) Volume 195, November 2015, Pages 256-264 Download: the PDF file

"Companions of directed sets and the Ordering Lemma", Topology and Appl., Special Issue in Memory of Alex Chigogidze, Guest Editor Vesko Valov, to appear Download preprint: the PDF file