When Governor Guy Park is telephoned about the kidnapping, he suggests notifying the state police. Missouri has no state police (only Highway Patrol).
While the music sessions were not strictly done as period pieces, the inclusion of the Gibson electric guitar jumped the gun by a few years. The ES-150 didn't go into production until 1936 and had a blade type pickup.
After his wife is kidnapped by a robber's wife, Stilton uses a phone to enlist the aid of the governor to free the robber, who is being held by some Kansas City jazz club characters he ripped off. And the governor complies, even though Stilton never identifies the robber by name, the name of the people who were robbed or even the name of the club were the robber is being held captive.