14 short chapters: first web-page, basic tags, linking, formatting, HTML entities, lists, images, tables, frames, forms, styles, meta, scripting-applets-activeX, dreamweaver.

Short page presenting some introductory guidelines.

Lists of brief guidelines for XHTML and for XHTML-Basic. [Author and qualifications are not identified.]

3 parts: introduction; tags; attributes. The introduction includes the main changes from HTML, the doctype, and document formation.

A List Apart has many useful articles showing what cane be done with XHTML. Contains step-by-step instructions and tutorials.

Short page introducing the relationships between XHTML and HTML.

5 parts: introduction (including an historical perspective on hypertext); modularity; document specs; code guidelines; design guidelines; appendices with resources. Each part contains subsections.

Short page explaining what XHTML is, describing the benefits of XHTML, and providing some guidelines for coding.

5 parts including: page structure; lists; hyperlinks and text formatting; tables; and forms. Suitable for beginners, without prior knowledge of HTML.

Short page presenting some introductory rules.

5 parts: introduction; XML and XHTML; document type definitions; differences from HTML; and document structure.

7 sections: introduction; terminology; module construction; DTD construction; module examples; mark-up language examples; usage examples.

8 parts: introduction (including doctype and namespace, as well as the differences from HTML); XHTML Basic; XHTML Basic example; modularization; timelines (a chronology of the HTML and XHTML specifications); questions and answers (frequently asked questions).

8 pages, including introduction, differences from HTML, syntax, DTD, examples, validation, and a quiz. Also, reference pages provide lists of tags and attributes.