| 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. |
| Gramophone Classical Good CD Guide: Brief description of the guidebook to classical music. |
| Hot Wacks Press: Publisher of guides to bootleg records and CDs. |
| 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. |
| Osborne Enterprises and Jellyroll Productions: Producer of price guides (in the "Official Price Guide" series) and reference books for music collectibles. General descriptions of each volume. |
| 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. |
Classical
