BOSTON (AP) — A long-lost trove of Bob Dylan documents including the singer-songwriter's musings about anti-Semitism and unpublished song lyrics has sold at auction for a total of $495,000.

Boston-based R.R. Auction said Friday the collection privately held by the late American blues artist Tony Glover, a longtime Dylan friend and confidante, was sold as individual lots Thursday, with a majority of the key pieces going to a bidder whose identity was not made public.

The collection included transcripts of Glover's 1971 interviews with Dylan and letters the pair exchanged. The interviews reveal...