Building XML Parsers for Microsoft's IE4. - Jean Paoli; David Schach; Chris Lovett; Andrew Layman; Istvan Cseri (World Wide Web J., 1997)

XML Query and transformation language. - Adam Bosworth; Andrew Layman; Adriana Ardeleanu; David Schach (QL, 1998)

XML Query Language (XQL). - Jonathan Robie; Joe Lapp; David Schach (QL, 1998)

Querying and Transforming XML. - David Schach; Joe Lapp; Jonathan Robie (QL, 1998)