One Piece (found 4Kids English dub of anime; 2004-2006) - The Lost Media Wiki

One Piece - Lost Funimation TV Version 2007-2009 (Most episodes found, now specifically looking for encodes/recordings for episodes that aired only on Cartoon Network Australia!) : r/lostmedia

One Piece, Anime Voice-Over Wiki

One Piece, The Dubbing Database

One Piece (found Singaporean English dub of anime series; 2003-2004) - The Lost Media Wiki

One Piece (4Kids dub) - Horrible Dubs Wiki

Tom Kenny - IMDb

Home Video Releases, One Piece Wiki

Tom Kenny - IMDb

One Piece (partially found English pilot dubs of anime series; early 2000s) - The Lost Media Wiki

4Kids' One Piece — Localization Gone Wrong, by Jeffrey McGee

One Piece (partially found English pilot dubs of anime series; early 2000s) - The Lost Media Wiki

One Piece Episodes 1 - 1024 ALL ENGLISH DUBBED Massive Collection 99 DVDs Anime