Footnotes, Endnotes, Sidenotes and Popup Notes

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.

Word Processing API - Footnotes and Endnotes (v20.1)

Footnotes and Endnotes

How to Use Footnotes and Endnotes

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Sidenotes Peter Kahrel

Insert footnotes and endnotes - Microsoft Support

Sidenotes Peter Kahrel

Feature request: pop-up footnote, endnotes etc.. · Issue #5015 · koreader/koreader · GitHub

Footnotes in Two Columns (Microsoft Word)

How to change the location of footnotes or endnotes in Microsoft Word

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