Looking for a lost gem? Some group from the 60s, 70s, 80s, or 90s? Norwegian prog rock? Some local band? Post your request on lostandfoundalbums and maybe someone will get you a copy. It's easy to use. Just sign into Blogger, UserName: lostandfoundalbums, Password: everyone. Then post your request. Return back to the page and see if your goal has been reached. The more people who watch, the better the response. Give it a shot.
Similarly, Jazz Pour Tous is documenting the releases of Sonny Rollins. They've also got great posts on Alice Coletrane, Thelonius Monk and more. Check them out as they make great reading!