<http://schema.org/url>
<http://gclibrary.commons.gc.cuny.edu/event/using-historical-diplomatic-documentation-in-the-21st-century/>
<http://gclibrary.commons.gc.cuny.edu/event/using-historical-diplomatic-documentation-in-the-21st-century/?utm_source=hootsuite&utm_campaign=hootsuite>