Troubleshooting PageMaker Documents
http://www.makingpages.org/pagemaker/tspmdoc.html

Kvern, Olav Martin, Gordon Woolf, Carol Majors, Christine Hummel, Kristina McCook and Peter C.S. Adams
Makingpages.org
2002

Abstract:

This document will attempt to tell you what causes corruption, how to prevent it, and — if it’s already too late — how to attempt recovery. There are even a couple of tips for when you can’t open the document at all. There are also some links to other documents that may be of interest. Finally, you can download some scripts that may help you.