<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/SearchAction>
<https://store.kobobooks.com/ebook/the-american-gynaecological-obstetrical-journal-formerly-the-new-york-journal-of-gynaecology-obstetrics-v-1-19-1891-1901-1>