This is a scanned copy of an early guide to Gogarth. The oldest routes in the guide date to 1966, so presumably the guide is from later that year. If so it predates the first climbers club guide by around 10 years.
Many thanks to Alan Firth for providing the scans.
[1] https://www.ukclimbing.com/forums/rock_talk/the_first_ever_gogarth_guide-789666