Note: Harry's nickname on the ifMUD is Gadget.
- Escape from Dark Mountain (2000; Z-code).
- Dutch Dapper IV: The Final Voyage (2002; Z-code). Finalist for Best Individual PC at XYZZY Awards 2002.
- SpeedIF 19 a.k.a. Purge (2003; Z-code). Speed-IF 19.
- Reality's End (2003; Z-code). IntroComp 2003: First Runner-Up.
Review and Article Credits
- Reviews of IF Comp 2003.
- Reviews for SPAG.
- Bibberfrob - Harry's Interactive Fiction Page.
- Harry Hol (archived) - at Baf's Guide.