<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mightyrabbitstudios.com/?The-Power-Of-God-In-Paul-s-Letters--Wiss-Unt-Zum-Neuen-Testament--Series-2--No--123-.pdf>