Previous versions / working drafts:

v .60 pre-Irvine
v. 77 XSD, UML class diagram, model pre-Paris
v .78 drops ledgerstate
v .79 drops product and user objects and uses "code" object for them.
v .81, changeLog  
v .82, and changeLog  
v .83, changeLog, sampleXML, UML model 
v .84 XSD, example XML, changeLog, class diagram, Rose model

v .85 XSD, example XML, changeLog, class diagram, 
Rose model, Elements Dictionary

v. 84x and changelog 

v. 84x2 and changelog 
v. 86 and changelog