An Experiment in Democracy: The Richards Primary Law and the 1920 Presidential Campaign in South Dakota
https://www.sdhspress.com/journal/south-dakota-history-46-3/an-experiment-in-democracy-the-richards-primary-law-and-the-1920-presidential-campaign-in-south-dakota
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An Experiment in Democracy: The Richards Primary Law and the 1920 Presidential Campaign in South Dakota