These old ads from the sixties are so evocative...I've trawled through the West Briton and Cornish Guardian. That only leaves The Cornishman as the other paper that is probably worth looking at for gigs by The Reaction...
22nd April Penmare Hotel 'Cornwalls champion group'
20th May Penmare Hotel 'Cornwalls champion group'
11th June The Old Barn Club Eastern Green Penzance
16th July Winter Gardens, Penzance
23rd September The Old Barn Club Eastern Green Penzance
8th October The Guildhall St Ives 'By popular demand the return of the Reaction Cornwall's Big Sound'
14th October Penmare Hotel 'Beat Night is back with the Reaction'
4th November Penmare Hotel 'Beat Night. The Reactions'
18th November Penmare Hotel Beat Beat Beat Night Reaction Reaction Reaction
11th December Arlo Guthrie appears at the Tell-a-Tale folk club on Chapel Street, Penzance