Book shows signs of being handled. 

The first 450 pages are an alphabetical(by artist) list of Columbia's in-print catalog with release numbers for LPs, reel-to-reels, and cassette tapes. Adds up to about 4/5000 releases. The next 100ish pages are an alphabetical(by composer) list of the Columbia classical catalog. The final 100ish pages are the numerical list of the Columbia catalog, by catalog number.