| All Music Guide | | Comprehensive guide to recordings in every genre. Cross-indexed source of reviews, essays, and ratings; all available online, on in-store kiosks, and in print form. Uses submissions from readers. |
| Hot Wacks Press | | Publisher of guides to bootleg records and CDs. Information about the books, and three articles about bootlegs (recordings of live music of questionable legality). |
| Joel Whitburn's Record Research Books | | Information from Billboard magazine's major charts with complete chart data on every recording ever charted. Short descriptions and sample pages from this large line of books. |
| Krause Publications | | Publisher of several record and CD collecting related books, including price guides. |
| Muze | | Longtime publisher (over 50 years) of directories of recorded music for retail stores; their data is now available for purchase to place on other websites and in-store kiosks. |
| RecordResearcher.com | | CD-ROM discography RockRom 8, and book Rock Record 7, with 500,000 records, over a million tracks and musicians. Free sofwared demo download. |
| Rough Guides | | Over 30 music guidebook titles; features online versions of their Rock, World, and Classical guides. |
| Trouser Press | | Official site of Trouser Press magazine (1974-1984) and the Trouser Press Record Guides. Reviews and discographies from five editions of the guidebook. |
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