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Appendix D. Resources

The quantity of information about SGML and XML is growing on a daily basis. This appendix strives to provide both a complete bibliography of the references mentioned explicitly in this book, and a sampling of resources for additional information about DocBook and about SGML and XML in general. Although not all of these resources are focused specifically on DocBook, they still provide helpful information for DocBook users.

Latest Versions of DocBook

As of July 1998, responsibility for the advancement and maintenance of the DocBook DTD has been transferred from the Davenport Group, which originated it, to the DocBook Technical Committee of OASIS (Organization for the Advancement of Structured Information Standards) at

The latest releases of DocBook can be obtained from the official DocBook home page at

Resources for Resources

Here's where to find pointers to the subjects you want to find.

The Most Recent Version of This Book

The most recent online version of this book can be found at

The Most Recent Version of DocBook

The most recent version of DocBook, and the most recent information about the DTD, can be found at the DocBook home page:

Robin Cover's SGML/XML Web page

Easily the largest and most up-to-date list of SGML/XML resources; can be found at

comp.text.sgml and comp.text.xml

USENET newsgroups devoted to SGML and XML issues.


For pointers to several SGML FAQs, see The XML FAQ is available at, run jointly by Songline Studios and Seybold, is a site devoted to making XML accessible.

Introductory Material on the Web

These documents provide a good background for a better understanding of SGML and XML.

A Gentle Introduction to SGML

A useful and simple document available in its original form at .

A Technical Introduction to XML

A close look at the ins-and-outs of XML is available at

References and Technical Notes on the Web

Entity Management

OASIS Technical Resolution 9401:1997 (Amendment 2 to TR 9401).

This document describes OASIS catalog files.

The SGML Declaration

The SGML Declaration, by Wayne Wholer.

Table Interoperability: Issues for the CALS Table Model

OASIS Technical Research Paper 9501:1995.

Exchange Table Model Document Type Definition

OASIS Technical Resolution TR 9503:1995.

CALS Table Model Document Type Definition

OASIS Technical Memorandum TM 9502:1995

XML Exchange Table Model Document Type Definition

OASIS Technical Memorandum TM 9901:1999.

Internet RFCs

RFCs (“Request for Comments”) are standards documents produced by the Internet Engineering Task Force (IETF).

RFC 1630

Universal Resource Identifiers in WWW.

RFC 1736

Functional recommendations for Internet Resource Locators.

RFC 1737

Functional requirements for Uniform Resource Names.

RFC 1738

Uniform Resource Locators (URL).

RFC 3066

Tags for the identification of languages


Here are pointers to the specifications.

The XML Specification

The W3C technical recommendation that defines XML 1.0.

Namespaces in XML

The W3C technical recommendation that defines XML namespaces.

Mathematical Markup Language (MathML) 1.0 Specification

The W3C technical recommendation that defines MathML, an XML representation of mathematical equations.

The Unicode Standard, Version 2.0

The Unicode standard.

Unicode Technical Report #8

Version 2.1 of the Unicode standard.

Dublin Core Metadata Element Set, Version 1.1: Reference Description

Version 1.1 of the Dublin Core Metadata Initiative's Metadata Element Set.

Getty Thesaurus of Geographic Names

A controlled vocabulary of geographic place names.

Books and Printed Resources

There are also a number of books worth checking out:


[maler96] Developing SGML DTDs. From Text to Model to Markup. Eve Maler and Jeanne El Andaloussi. 0-13-309881-8. Prentice-Hall PTR. Upper Saddle River New Jersey . 1996.

Practical SGML. Erik van Herwijnen. 2. 0-7923-9434-8. Kluwer Academic Press. 1994. An introductory book, but not a simple one..

The SGML Handbook. Charles Goldfarb and Yuri Rubinksy. 0-7923-9434-8. 1991. Oxford University Press. A reference book by the author of the SGML ISO Standard..

SGML: an author's guide to the Standard Generalized Markup Language. Martin Bryan. 0-201-17535-5. 1988. Addison-Wesley Publishing Company.

$GML: The Billion Dollar Secret. Chet Ensign. 0-13-226705-5. 1998. Prentice Hall. Effective SGML evangelism..

Creating Documents with XML. Chris Maden. 1-56592-518-1. 1999. O'Reilly & Associates. An introductory book about XML..

XML: A Primer. Simon St. Laurent. 1-5582-8592-X. 1998. MIS:Press/IDG Books Worldwide. Another introductory book about XML..

Understanding SGML and XML Tools. Peter Flynn. 0-7923-8169-6. 1998. Kluwer Academic Publishers. The standard work on SGML/XML software..

The LaTeX Web Companion. Integrating TeX, HTML, and XML. Michel Goosens and Sebastian Rahtz. 0-201-43311-7. 1999. Addison-Wesley Publishing Company.


An attempt to provide a detailed description of all of the SGML/XML tools available is outside the scope of this book.

For a list of recent of SGML tools, check out Robin Cover's SGML/XML page at OASIS:

For a list of XML tools, check out