Hi, I'm ignorant in the ways of blues, but I know what I like. My problem is, I don't know how to find it. The kind of blues I like are songs like:

I can't quit you Texas flood Since I've been loving you (Zeppelin) Traveling Riverside Blues (")

Sort of the slow, rolling, kind of blues. Can anyone categorize this type of blues, so I can find more like it? At the very least, could someone suggest artists that have the same feel as the songs I've described?

Thanks!!

Bryan