Thank You for posting those cases. I have a lot of them but some are new to me.
You do realize a lawyer won't use anything older than Erie Railroad V. Thomkins 1937/38.
That is where the federal common law was thrown out.
And all the States adopted the Uniform Commercial Code in 1964 to match the fed's UCC.
And put the Gold Fringe U.S. Flag in State Office and Court Buildings, denoting Admiralty/Maritime/International Contract Law.