Getting the OCW from the Avalon Hill Waterloo 2.2 module:
Same thing with the John Cooper module:
https://obj.vassalengine.org/images/e/e3/Waterloo-John-Cooper-v2.2.vmod
Same thing with the John Cooper module:
https://obj.vassalengine.org/images/e/e3/Waterloo-John-Cooper-v2.2.vmod