Unduplicated Enrollments for High School Students in At Least One For-Credit, College-Level Humanities Course at Two-Year Colleges by US Census Bureau Region, Fall 2015
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American Academy of Arts & Sciences, Humanities Indicators, "Humanities Education in Community Colleges: A Pilot Study" (https://humanitiesindicators.org/binaries/pdf/HI_Humanities_Education_in_Community_Colleges.pdf), March 2019.