You must already have noticed that it is not possible to cut and paste from a Dos program to a Windows program. So you won't be able to use the technique of typing it first in your DOS program, highlighting it and doing an Alt =.
Your best alternative is to get a sample of wpd files that you produced. Then you can use multiple compilation to produce a glossary. It does not mater what version of wordperfect it is. (most likely 5.1)
Does Mars II allow you to save files locally? If so you can compile them.
Jean Ichbiah