http://www.beverlyrecords.com/reccare.htm
Some useful hints here lemur but be careful with that toothbrush. Don't use too much detergent either and always go in the direction of the groove not centre to edge.
Don't use a cloth that is likely to flake. I'd suggest a decent, soft, chamois leather.
You lucky man you. I get a real buzz out of finding old vinyl. A neighbour recently moved house and gave me over 200 LPs (all classical music) among which were a large number of rarities.