Have at it! The reality is that the official United States Code gives plenty of history for statutes, while the Code of Federal Regulations gives less but stil

Have at it! The reality is that the official United States Code gives plenty of history for statutes, while the Code of Federal Regulations gives less but still basic history. Both are also provided in XML in bulk, though the former has a modern USLM format and the latter has an archaic schema. Case law is less amenable to git histories.