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<https://texashistory.unt.edu>
<https://texashistory.unt.edu/explore/partners/TSHA/browse/?fq=untl_decade%3A1960-1969&fq=str_title_serial%3AThe+Southwestern+Historical+Quarterly&fq=str_location_county%3AMarion+County%2C+TX&display=grid>