These need to be separated from the main body of the text, and are best set with a smaller size and possibly event a different typeface and colour. The idea of any notes is that it is supplementary information and it is entirely optional that the reader even bothers to look, so setting in a style that does not distract from the flow of the reading experience is important.
Sidenotes In Web Design ·
Insert footnotes and endnotes - Microsoft Support
Feature request for Substack: sidenotes, by trylks
PagetoScreen
Best Practices – Back Matter: Endnotes
Footnotes/Endnotes - Page 3 - Feedback for Affinity Publisher V1 on Desktop - Affinity
Footnotes, Endnotes, Sidenotes and Popup Notes
Footnotes, Endnotes, Sidenotes and Popup Notes
Endnote: Comparing Footnotes and Endnotes: Which is Better - FasterCapital
Article - Footnotes and other Diversions
jQuery Footnote Plugins
Footnotes, endnotes and sidenotes – The Electric Book template
PagetoScreen
Pop-up Footnotes
PagetoScreen the web site where Chris Jennings displays his stuff
