I'm looking for any pieces for two clarinets, or clarinet + other instrument for example cl + guitar,accordeon,violin, basson, flute. If you have interesting anything I will be very grateful for email. My mail clarinet@op.pl

PS My english is poor

music-scores.com has a large selection of pieces for many diferent combinations of instruments, but you will need to pay a subscription fee. Did you check the pieces on this site already?