[DOCBOOK] docbook.org: What is DocBook?. https://docbook.org/whatis

[DOCBOOKDSSSL] Norman Walsh: README for the DocBook Stylesheets. https://github.com/docbook/dsssl/blob/master/README.adoc

[DOCBOOK-XSL] Bob Stayton: DocBook XSL: The Complete Guide. Fourth Edition, September 2007, OASIS. http://www.sagehill.net/docbookxsl/index.html

[GRAHAM2021] “We’re Not Looking to go to Print”. Antenna House. https://markupuk.org/2021/webhelp/index.html#ar10.html

[MUK-docbook] Markup UK: ‘MUK_docbook’ add-on Oxygen framework, Markup UK https://github.com/MarkupUK/paperFramework

[MUK-xsl] Markup UK: XSL stylesheets for Markup UK proceedings, Markup UK https://github.com/MarkupUK/MUK-xsl

[XSLT10-STYLESHEETS] DocBook: DocBook XSLT 1.0 Stylesheets, DocBook https://github.com/docbook/xslt10-stylesheets

[XSLTHL] Michal Molhanec, Jirka Kosek, Michiel Hendriks: XSLT syntax highlighting, https://github.com/xmlark/xslthl