Back on topic, I remember as a kid you could get a big bundle of programmes from the late sixties and seventies from club shops for pennies, I'd spend hours reading them - Arbroath, Bournemouth, Watford, Leeds Gateshead, hundreds from all over the place. Looking at them now adds another nostalgic layer because of the adverts too, Whatneys Red Barrel, Capstan Full Strength...
You are absolutely correct, and I've never thought about it like this before, but they are little historical documents that completely capture in a snapshot not just the sport, but the way of life for working class people up and down the country. Truly engrossing.