An excellent paper discussing how XML Design Patterns (many taken from this site) can be useful in creating an XML DTD.

Fabio Arciniegas' article on using object oriented design patterns in processing XML documents. Discusses four patterns: Command, Flyweight, Wrapper, and Iterator.

Fabio Arciniegas' article on XML structural patterns. Includes six patterns.

Ian Graham and Liam Quin's site which contains 4 patterns, Running Text, Generated Text, Footnote, and Text Blocks.

Kyle Downey's article attempts to document a few whole-document design patterns.

A XML processing design pattern.

A paper describing four XML processing design pattern.

An article on XML.com describing three structural patterns for XML Schema: Composite, Abstract Model, and Peer Specialization.

A pattern repository focusing on patterns that can be used with Java middleware technologies. They are inviting site visitors to contribute patterns.

A pattern repository for patterns to be used in hypermedia design. The patterns are categorized into Interface/Layout, Structure/Navigation and Content Oriented Patterns.

Brad Appleton's excellent page about patterns in the field of object-oriented software.

A discussion of representing graph structure such as RDBMS tables in XML.

Robin Cover's page covering the element vs. attributes debate. When should you use an element? When should you use an attribute? Check this page for some good references.

Oasis' catalog of XML specifications.

A comprehensive listing of XML applications and announced industry initiatives.

A catalog of many different schemas from a variety of categories.