- In The Ether prod. by Billy Nichols, Bob Pridden & Pete Townshend
- In the Hall of the Mountain King prod. by Kit Lambert
- It's A Boy [Live At The Isle Of Wight Festival 1970]
- It's A Girl (aka 'Glow Girl') [Take 2, 3 & 4]
- It's In You prod. by Bill Szymczyk
- It's Not Enough prod. by Billy Nicholls, Bob Pridden & Pete Townshend
- It's Not True prod. by Shel Talmy
- It's Your Turn prod. by Glyn Johns
- I've Been Away
- Jaguar prod. by Kit Lambert
- Jaguar (Incl. "Radio London News Bulletin" Jingle / 1967 Mono Version)
- Jaguar (Pete Townshend Demo)
- Jeff (Unreleased)
- John Mason Cars / Speakeasy / Rotosound Strings / Bag O’ Nails (2018 Mix)
- Join Together [Join Together]
- Just You And Me, Darling prod. by Brian Wiley & Jimmy Grant
- Kids! Do You Want Kids prod. by Kit Lambert
- Kids! Do You Want Kids (Pete Townshend Demo) prod. by Pete Townshend
- La-La-La-Lies prod. by Shel Talmy
- La-La-La Lies (Demo, 2016 Mix)