https://www.nlm.nih.gov/pubs/techbull/ma26/ma26_pubmed_update_MeSH_changes.html
PubMed Update: Article Type Filters Updated to Reflect MeSH Changes to Publication Types. NLM...
The article type filters in PubMed have been updated to reflect Annual MeSH Processing (AMP) updates to Publication Types, including discontinued publication...
publication typespubmedupdatearticlefilters
https://reason.org/publication-types/
Publication Types - Reason Foundation
publication typesreasonfoundation
https://www.w3.org/standards/history/xhtml-media-types/
XHTML Media Types - Second Edition publication history | Standards | W3C
The World Wide Web Consortium (W3C) is an international community where Member organizations, a full-time staff, and the public work together to develop Web...
media typessecond editionxhtmlpublicationhistory