Em Dash (—) vs. En Dash (–)
There are two types of dash. The en dash is approximately the length of the letter N, and the em dash the length of the letter M. The shorter en dash (–)
When to Use a Dash Versus a Hyphen
Em Dash vs En Dash vs Hyphen: How to Type Them Into Your Computer
En Dash vs. Em Dash. - ppt download
Em Dash vs En Dash vs Hyphen: How to Correctly Use Them - ESL Grammar
Em Dash: What Is It and How to Use It
ESL Grammar - Em Dash (—) vs En Dash (–)
Opus Design infographic explains hyphens, en-dashes and em-dashes
Hyphens, En Dashes and Em Dashes
En Dash vs. Em Dash: When and How to Use Them - Turner Proofreading
What Is an Em Dash and How Do I Use It - Giacomo Giammatteo