The festival arose in the late 1970s during a time when the evangelicalism was growing in the UK and there was uncertainty as to how that movement would relate with Church of England and evangelicals within it; the event, among a few others at the time, welcomed all evangelicals,:292-293 including people inside and outside of the charismatic movement.:245 Hylson-Smith comments that non-denominational activities such as Spring Harvest did much to encourage pan-evangelicalism which tended to minimise historical differences between denominations:247
- Bebbington, David (1992). Evangelicalism in modern Britain : a history from the 1730s to the 1980s (Baker Book House ed. ed.). Grand Rapids, Mich.: Baker Book House. ISBN 978-0801010286.
- Hylson-Smith, Kenneth (1989). Evangelicals in the Church of England : 1734-1984. Edinburgh: T.&T. Clark. ISBN 978-0567291615.
- "More hit by holiday camp virus". BBC News. 17 April 2003.