Argus Clearinghouse

http://www.clearinghouse.net/

Another directory of links to specialist directories, sorted by subjects

Electric Library

http://www.elibrary.com/

Simultaneously searches databases of newspapers, magazines, newswires, classic books, maps, photography, and major artworks.

Global Online Directory

http://www.god.co.uk

European search aid.

GNN's Whole Internet Catalog

http://gnn.com/gnn/wic/index.html

Excellent and dependable selections of review choices by category - plus a business directory.

IBM InfoMarket

http://www.infomarket.ibm.com/

Simutaneouly searches a wide selection of predominantly technical journals, newsletters, newspapers, newspapers, newswires, and corporate databases.

Internet Directory

http://www.internet-directory.co.uk

This is the biggest, freshest, UK site directory and is connected to Internet magazine's What's New.

Internet Magazine's Essential Viewing

http://www.emap.co.uk/reviews/

Monthly site reviews from Internet magazine. Even some from this author.

Magellan

http://www.mckinley.com/

Invaluable source of reviewed and captioned sites.

Muscat

http://www.muscat.co.uk/

European site index.

New Rider's Official Yellow Pages

http://www.mcp.com/nrp/wwwyp/

Online edition of the fat yellow book.

NlightN

http://www.nlightn.com/

Searches databases, newswires, reference services, journals, and nook titles.

Point Communications

http://www.pointcom.com

The Web's most populare sites reviewed in depth, and sortable by Presentation, Content, and Experience ratings. Compiles the top 5%, whatever that means.

Starting Point

http://www.stpt.com/

Selection of the best tools to get going.

WebSource

http://www.websource.com.au

Everything Australian on the Internet.

What's New

http://www.emap.com/whatsnew/

New sites listed as they're announced. Archives are searchable by category or country.

What's On

http://www.whatson.com/

Internet magazines directories, pick of the day, and charts.

WWW Virtual Library

http://www.w3.org/hypertext/DataSources/bySubject/Overview.html

Consortium of subject-specific directories scattered all over the Web.

Yahoo

http://www.yahoo.com

Big and easy to navigate by subject, if list on reviews. But it includes loads of specialist stuff on the side like Reuters news. Indispensable.

Yell

http://www.yell.co.uk

UK-specific guide,including company A-Z, film finder, and business, phone directory.

YellowWeb Europe Directory

http://www.yweb.com

European Web guide.

Your Personal Net

http://www.ypn.com

Online version of Michael Wolff's NetGuide series of books. That means particular strengths in Travel (a joint venture with Fodor's). Music, Games, Medicine, Money, and (mainly US) employment opportunities.