Harry's official contributions for White Wolf include the following:
Additional Writing[]
Author[]
- 1996/October: MTAs: Beyond the Barriers: The Book of Worlds
- 1994/June 10: MTAs: The Book of Shadows: The Mage Players Guide
- 1994: MTAs: Virtual Adepts Tradition Book
- Dark Ages' Dark Ages: Werewolf Rulebook
- 2003/September 1: Orpheus: Orpheus Rulebook
- 1995: VTM: D.C. by Night
- 2004/February 2: WTA: Apocalypse (book)
- Werewolf: The Apocalypse's Hengeyokai: Shapeshifters of the East
- 2000/December 11: WTA: Werewolf: The Apocalypse Revised Edition
- Werewolf: The Apocalypse's Werewolf: The Apocalypse Second Edition
- 1997: WTWW: Werewolf: The Wild West Rulebook
- Wraith: The Oblivion's Haunts
- 1994/December: WTO: Love Beyond Death
- Wraith: The Oblivion's Wraith Players Guide
- Wraith: The Oblivion's Wraith: The Oblivion Rulebook
Creator[]
Original Digital Web Concepts[]
- 1998/October: MTAs: Digital Web 2.0
Playtester[]
- 1993/August: MTAs: Mage: The Ascension Rulebook (as Harry L. Heckel IV)
- 1993/August: MTAs: Mage: The Ascension Rulebook (as Harry Heckel)
Special Material & Research[]