Horst Dippel 
Vermont – Wisconsin / Addendum et Corrigendum [PDF ebook] 

The seven-volume edition contains 446 constitutional texts, constitutional amendments, failed constitutions and draft constitutions from the United States, all in their original languages and alphabetically ordered by states. The texts, including some rare original versions, have been edited and annotated on the basis of the printed official state documents and conventions, consulting the original manuscripts. The constitutional documents from Vermont to Wisconsin are published in volume VII.

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