<https://www.louisvillebookfestival.com/festival-info/submissions/louisville-book-festival-vendor-application/#primaryimage>
<http://schema.org/height>
"300"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://www.louisvillebookfestival.com/festival-info/submissions/louisville-book-festival-vendor-application/>