Robert Johnson travelled widely and picked up a number of styles from around the southern states and I've tried to include these varied styles in these studies, intended primarily for 3 string fretted guitars.
Each page contains one solo with download links to a pdf file, a midi file and a tef file. See the help page on eBooks for more information about how to use these files. You can also download a zip file of the whole lot from here.
To play the tef files you'll need tefview, a free midi player. The relevant Help page will show you how it works.
Happy Picking