* [[http://wiki.apache.org/solr/SolrQuerySyntax|SolrQuerySyntax]]
  * [[http://wiki.apache.org/solr/CommonQueryParameters?highlight=%28%28SolrQuerySyntax%29%29|CommonQueryParameters]]
  * [[http://lucene.apache.org/core/3_6_0/queryparsersyntax.html#Wildcard%20Searches|Apache Lucene - Query Parser Syntax]]
  * [[http://de.slideshare.net/reallyordinary/intro-to-apache-solr-for-drupal-8157887|Introduction Solr for Drupal]]
  * [[http://lucene.apache.org/solr/api-3_6_1/doc-files/tutorial.html|SolrTutorial]]
  * [[http://searchhub.org/dev/2009/09/02/faceted-search-with-solr/|Faceted Search with Solr]]
    * [[http://www.trellon.com/content/blog/apachesolr-and-facetapi]]
  * [[http://drupal.org/node/1159424|Change search keyword operator to OR]]
  * Beachte auch solrconfig.xml und deren requestHandler/Parameter
  * [[http://drupal.org/node/343467|Apache Solr Search Integration]]
    * [[http://drupal.org/node/1053102|Tips and suggestions for module customization]]