Hi Andy- you forgot Hime & Addison, across the road from Rare Records, was also one, name slips me, on Stevenson Square that had a few bits.
Also a stall on Salford Market where I "liberated" a copy Of Betty Swann-used to have the usual box of imports, and Spin City on Cross Lane, Salford always had Motown Lps in the window--Chris Clark, Tammi Terrell, Fantastic Four are the standouts I can remember.
ATB
Tony