Deep Purple: In Concert With The London Symphony
- Review of the 1999 concert emphasizing the role Lord had in writing the cornerstone Concerto for Group and Orchestra and noting the contributions by other band members as well as composer Marco de Goeji and conductor Paul Mann.
- http://classicrock.about.com/library/reviews/bldeeppurple.htm

Jon Lord: Pictured Within
- Andreas Thul favorably reviews the CD and comments on the individual works it includes.
- http://www.shadowfire.de/cgi-bin/page.pl?jonlordpicturedwithin

Deep Purple - Concerto for Group and Orchestra
- DVD Review of the filmed version of the 1969 concert with Malcom Arnold and the Royal Philharmonic from RevelationZ Magazine.
- http://www.revelationz.net/index.asp?ID=722

Concerto for Group and Orchestra
- Review for Progressive World by John "Bo Bo" Bollenberg of the CD release of the 1999 concert includes commentary on the album's background material.
- http://www.progressiveworld.net/deeppurple2.html

Deep Purple: Concerto for Group and Orchestra
- Chaz Reviews analyzes and comments on the original 1969 performance, noting the influence of Malcolm Arnold in staging the production. By Charles G. Hill.
- http://www.dustbury.com/music/dppurple.html