Category:Template namespace categories
{{Maintenance category|container=true|desc=Contains categories whose members should only be in the Template namespace.}}
[https://petscan.wmflabs.org/?categories=Template_namespace_categories&cb_labels_any_l=1&cb_labels_no_l=1&cb_labels_yes_l=1&depth=19&edits%5Bflagged%5D=both&ns%5B0%5D=1&ns%5B1%5D=1&ns%5B100%5D=1&ns%5B101%5D=1&ns%5B11%5D=1&ns%5B118%5D=1&ns%5B119%5D=1&ns%5B12%5D=1&ns%5B13%5D=1&ns%5B15%5D=1&ns%5B2%5D=1&ns%5B2300%5D=1&ns%5B2301%5D=1&ns%5B2302%5D=1&ns%5B2303%5D=1&ns%5B3%5D=1&ns%5B4%5D=1&ns%5B5%5D=1&ns%5B6%5D=1&ns%5B7%5D=1&ns%5B710%5D=1&ns%5B711%5D=1&ns%5B8%5D=1&ns%5B828%5D=1&ns%5B829%5D=1&ns%5B9%5D=1&output_compatability=catscan&project=wikipedia&search_max_results=50&show_redirects=both&show_soft_redirects=both&sortby=none&subpage_filter=either&wikidata_item=no This Petscan query] can detect any pages in other namespaces.