<http://schema.org/description>
"These books were found on college syllabuses from Princeton, Harvard, Yale, Columbia, Stanford, University of Chicago, MIT, Duke, UPenn, and Brown."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.aol.com/article/2016/02/05/the-most-popular-required-reading-at-americas-top-10-colleges/21308535/>