Duking it Out: Parentheses vs. Dash
Hashing the En and Em Dash « virtualDavis
Documentation/How Tos/Inserting En and Em Dashes - Apache OpenOffice Wiki
How to use the en dash, em dash and hyphen (also ndash, mdash)
How to Get an Em Dash in Google Docs
How to type em dash and en dash on Mac – Setapp
Hyphens and Dashes in Numbers
How to Create and Use Dashes and Hyphens
What Is an Em Dash and How Do I Use It - Giacomo Giammatteo
How to use an Em Dash (—) Properly – INK Blog
All Types of Dashes - En Dash & Em Dash
Em Dashes, 2-Em Dashes, and 3-Em Dashes
En Dash vs. Em Dash: When and How to Use Them - Turner Proofreading
Add an Em Dash in PowerPoint for Windows
Em Dashes in Scientific Writing – Ambika Kamath