Question: According to an encyclopedia on the history of Switzerland that aims to take into account the results of modern historical research in a manner accessible to a broader audience, what was a far right political party in Switzerland that flourished during the 1930s?
Sentence (from "Historical Dictionary of Switzerland"): The Historical Dictionary of Switzerland is an encyclopedia on the history of Switzerland that aims to take into account the results of modern historical research in a manner accessible to a broader audience.
Relevant evidence: Yes