Prof. John Bull 
British Theatre Companies: 1965-1979 [PDF ebook] 
Cast, the People Show, Portable Theatre, Pip Simmons Theatre Group, Welfare State International, 7:84 Theatre Companies

This series of three volumes provides a groundbreaking study of the work of many of the most innovative and important British theatre companies from 1965 to the present. Each volume provides a survey of the political and cultural context; an extensive survey of the variety of theatre companies from the period, and detailed case studies of six of the major companies drawing on the Arts Council Archives to trace the impact of funding on the work produced.
1965–1979, covers the period often accepted as the »golden age» of British Fringe companies, looking at the birth of companies concerned with touring their work to an ever-expanding circuit of »alternative» performance venues.
Leading academics provide case studies of six of the most important companies, including:
* CAST, by Bill Mc Donnell (University of Sheffield, UK)
* The People Show, by Grant Tyler Peterson (Brunel University London, UK)
* Portable Theatre, by Chris Megson (Royal Holloway, University of London, UK)
* Pip Simmons Theatre Group, by Kate Dorney (The Victoria and Albert Museum, UK)
* Welfare State International, by Gillian Whitely (Loughborough University, UK)
* 7:84 Theatre Companies, by David Pattie (University of Chester, UK).