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<ul> <li>[http://en.wikipedia.org/wiki/Proxy_pattern Wikipedia article on the Proxy Pattern]<br /li> <li>[http://www.developer.com/design/article.php/3309461 Design Patterns - Proxy UML Diagram] </li> <li>Gamma, E., Helm, R., Johnson, R., Vlissides, J. (1995). <i>Design Patterns: Elements of Reusable Object-Oriented Software.</i> Addison-Wesley. ISBN 0-201-63361-2</li></ul>