. Interview with Wobbe Vegter
       
Published in: Brainstorm, October 2001, Vol.1:3
. In gesprek met .....Wobbe Vegter
       
Interview gepubliceerd in: Thema, (Nederlands) Tijdschrift
voor Thematische Filatelie, september 2006, jaargang 19 nummer 4
. About Cyber Geeks, Gurus and Geniuses
       
Published in:
               The South African Philatelist, December 2001, Vol. 77:6
               ThemNews, December 2001, Vol. 2, no.5
               Philamath, January 2002, Vol. XXIII, no.3 [#1]
               Topical Time, March-April 2002, Vol. 53, no.2
[#1] Philamath is the quarterly journal of the Mathematical Study Unit (MSU)
. Cyber Philately – How it all began
       
Published in: The South African Philatelist, February 2002, Vol. 78:1
. Cyber Philately – Y2K: philatelically speaking
       
Published in: The South African Philatelist, December 2002, Vol. 78:6
. Behind Bars
       
Published in: ThemNews, December 2002, Vol. 3, no.5 [#2]
[#2] ThemNews is the bimonthly journal of Thematics Southern Africa
. Mark Shuttleworth: South Africa's Cyber Hero
       
Published in:
               ThemNews, February 2004, Vol. 4, no.6
               Philamath, October 2007, Vol.XXIX, no.2
. Linn's Website Review: "Site features stamp exhibit about computers"
       
Reprinted with permission from the March 1, 2004, issue of
Linn's Stamp News.
. What's in a name? $$$ if you're called Tuvalu
       
Published in: ThemNews, April 2004, Vol. 5, no.1
. Cyber Heroes of the Past
       
A series of monographs published in ThemNews and other philatelic magazines
. Exhibiting Digitally
       
Published in: The South African Philatelist, June 2010, Vol. 86:3
         
Published in electronic format on the website of
Digital Philatelic Workshop on 10 November 2009