There is a "523bod.chm" file which is the compiled HTML Help descriptive doco file (comes somewhere on the Infopack CD which Mincom distribute with Ellipse)
Other ways to find this info:
Run Ellipse program msqmom.exe - gives a look at the repository for classes and methods, etc
Query the 'OBMH' table type in Ellipse file MSF010 - gives a list of the objects and methods, etc