The ASLIB Directory of Information Sources in the United Kingdomprovides instant access to listings of 6,600 associations, clubs, societies, companies, educational establishments, institutes, commissions, government bodies, and other organizations which provide information freely or on a fee-paying basis. Entries in the 17th edition include: Macular Disease Society Costume Society of Scotland Parentline Plus Centre for Global Energy Studies Surrey Performing Arts Library. Each entry is listed alphabetically and includes the organization's name and contact details, type and purpose, and lists publications and collections where appropriate. The Directoryalso contains a comprehensive index of acronyms and abbreviations and a substantial subject index.