Similar to Template:Casref
Template:NCES School ID
Template:NCES School IDTemplate:NCJ
Template:National Criminal Justice referenceTemplate:NDC
Template:NDLC
Template:NDLSH
Template:New York Times topic
Template:New York Times topicTemplate:NHC TCR url
Template:NHC TCR urlTemplate:NHLS url
Template:NHLS urlTemplate:NJReportCard
Template:NJReportCardTemplate:NKCR
Template:Novelup.plus story
Template:Nrhp source1
Template:NRHP url
Template:NRHP url
Template:NRHP-PA
Template:NRHP-PATemplate:NRtimes
Template:NRtimesTemplate:NVR SC url
Template:Naval Vessel Register service craft URLTemplate:NYCS ref
Template:NYCS refTemplate:NYSR external links
Template:NYSR external linksTemplate:NZ Quickstats
Template:NZ QuickstatsTemplate:OCLC search link
Template:OCLC search linkTemplate:ODNBsub
Template:ODNBsubTemplate:Official blog
Template:Official website
Template:Official websiteTemplate:Official website2
Template:Official websites
Template:Ofsted
Template:OfstedTemplate:OL
Template:OLTemplate:OL book
Template:OL book