McGrath, James. 2011. “Michael Brocken, Other Voices: Hidden Histories of Liverpool’s Popular Music Scenes, 1930s–1970s and Marion Leonard and Robert Strachan, Eds, The Beat Goes On: Liverpool, Popular Music and the Changing City”. Popular Music History 4 (3): 335–340. https://doi.org/10.1558/pomh.v4i3.335.