by {{<span class="searchmatch">ISBN</span>}}, contains <span class="searchmatch">pages</span> which contain invalid or erroneously formatted International Standard Book Numbers (<span class="searchmatch">ISBNs</span>). Category:<span class="searchmatch">Pages</span> <span class="searchmatch">with</span> ISSN <span class="searchmatch">errors</span>...
{{ISSN}}, contains <span class="searchmatch">pages</span> which contain invalid or erroneously formatted International Standard Serial Numbers (ISSNs). Category:<span class="searchmatch">Pages</span> <span class="searchmatch">with</span> <span class="searchmatch">ISBN</span> <span class="searchmatch">errors</span>...