MSNBC has an excerpt from Robert Zimmerman's new autobiography, as well as a link to a recent interview. This article focuses mostly on his motorcycle accident, but it has some surprises:

Eventually I would even record an entire album based on Chekhov short stories—critics thought it was autobiographical—that was fine.

He's got to talking about Blood on the Tracks, huh? Wow. That's my favorite Dylan album - well, that and Blonde on Blonde - but I never made the Chekhov connection before.

Unless he's just bullshitting here.