75g Unknown- Record Library from Nucleus
Unknown DJ, Digging through the 45s The 45 RPM filing system was less formal than for LPs. You can see the edges of the LP labels, which tied to the index cards on the left. LPs were sorted alphabetically by artist, then numerically by date received at the station...examples follow.
76s NCE Parking token
Vintage Parking Token
75p Unknown from Nucleus
Unknown DJ
75j Mike Goldstein from Nucleus
Mike Goldstein (?)
76t IMG 8786
Cheers!