Philip Gage
Interfacing with Graphics - A practical introduction
Proceedings of the Thirteenth Annual Meeting of the MUMPS Users' Group - Europe, Bruges 1988, Volume 1988
Henry G. Heffernan
The MUMPS Standard and Objects
A Practical Approach to Object Orientation
18, Volume 18, Issue 4
ISSN 0193 0885
Richard Rankin
A Practical Approach to Object Oriented Programming
Proceedings of the Fourteenth Annual Meeting of the MUMPS Users' Group - Europe, Brighton 1989, Volume 1989