XML Bible Chapter 24: Schemas
- from the XML Bible, 2nd edition. Introduction to W3C XML Schema.
- http://www.ibiblio.org/xml/books/bible2/chapters/ch24.html

Using W3C XML Schema
- Article by Eric Van der Vlist introducing W3C XML Schema, also includes a comprehensive reference to the Schema datatypes and structures
- http://www.xml.com/pub/a/2000/11/29/schemas/part1.html

Brief XML Schema (XSD) tutorial
- A brief XML Schema overview with code samples demonstrating how to use essential XML Schema elements.
- http://smrtx.com/RS/xsd.htm

XML Schema Tutorial at xfront.com
- Detailed XML Schema tutorial with many examples, prepared by Roger Costello. Format is Microsoft PowerPoint.
- http://www.xfront.com/xml-schema.html

XML Schema Tutorial at W3Schools
- Introductory tutorial on W3C XML Schema from W3Schools.
- http://www.w3schools.com/schema/default.asp

XML Schema 2001 and Relax NG Tutorial
- Introductory tutorial on W3C XML Schema and RELAX NG at zvon.org.
- http://www.zvon.org/xxl/XMLSchemaTutorial/Output/index.html

XML Schema FAQ
- Compilation of FAQs from mailing lists and other sources
- http://www.schemavalid.com/faq/xml-schema.html