@brewsterkahle I have an interest in a niche bit of history - the bicycle culture in the San Francisco, CA, USA region 1860 - 1940 -and archive.org has been a most helpful resource!

Examples:
https://www.wooljersey.com/wiki/Class_A
http://fastestslowguy.blogspot.com/2021/06/racing-men-sue-for-prizes-m-h-de-young.html