http://www.expressobeans.comExpresso Beans is a not-for-profit poster collector's community resource built and maintained by volunteers
http://irocknroll.comOwn a Piece of Rock ‘N Roll History. Rock Music Memorabilia, Autographs, Signed Albums, Posters, Backstage Passes, Vintage Concert Tickets, Signed Guitars, Guitar Picks, Concert Programs and Unique Collector Items
http://www.richieunterberger.com/ Richie Unterberger: Author of several books on 1960s rock music history, including a two-volume history of folk-rock and books focusing on underrated cult rock artists.
http://www.rockmaven.com Raven The Rock & Roll Maven- Get answers to your rock & roll questions. Top Hits, 1 Hit Wonders, Novelty Songs, Songs in Commercials, Who Sang and more!