index-type Type of Index

Names the specific indexes in which an index term (<index-term>) should be used, for example, “author”, “subject”, “chemical”.
OPTIONAL on element: <index-term>
Value Meaning
One or more words A word naming the index, or a series of words each representing a specific index.
Restriction @index-type is an optional attribute; there is no default.
Tagged Samples
Subject or Topic Index
... 
<p>However, the First Amendment does not bar the 
 issuance or execution of a warrant to search a newsroom
 <index-term index-type="subject"><term>Newspapers</term>
 <see-also>Speech and press</see-also></index-term> to obtain 
 photographs of demonstrators who had injured several policemen, 
 although the Court appeared to suggest ...</p>
...
“People” or “Key Individuals” index
... 
<p>Fu attribuito prevalentemente ad 
 Aristotele<index-term index-type="person" id="idx108">
  <term 
    vocab-term-identifier="http://xmlns.com/foaf/spec/#term_Person"
   >Aristotle</term>
  <see><index-term><term>Aristoteles</term></index-term>
  </see>
 </index-term>, anche se l&rsquo;origine avicenniana era 
 tramandata dalle sottoscrizioni di parecchi manoscritti e nota a commentatori 
 come ad esempio Adamo di Bockenfield<index-term index-type="person" id="idx903">
  <term 
    vocab-term-identifier="http://xmlns.com/foaf/spec/#term_Person"
   >Adamo di Bockenfield</term>
  <see-also><index-term><term>Adam de Bocfeld</term></index-term>
  </see-also>
  <see-also><index-term><term>Adam Bockenfield</term></index-term>
  </see-also>
 </index-term></p>
...