I love that site as well. The information contained there is staggering. Preserving the memories and images of that era is so important. The person who created the site has made a royal contribution to those who want to learn more about that time (like me).
I think it is through that site that I found out about the book book I'm reading called 'Beyond Shame: Reclaiming the Abandoned History of Radical Gay Sexuality (Patrick Moore).' If you have not seen it, you might want to take a look. I am enjoying it and learning from it, anyway.