7 Myths of Email Development

https://litmus.com/blog/7-myths-of-email-development

Choosing the right font [Infographic]

https://blog.hubspot.com/marketing/choosing-fonts-guide

Typographic Patterns In HTML Email Newsletter Design

http://www.smashingmagazine.com/2015/08/typographic-patterns-in-html-newsletter-email-design/

Webfont support in email

http://stylecampaign.com/blog/2015/02/webfont-support-in-email/

WEB FONTS IN EMAIL

http://www.emaildesignreview.com/html-email-coding/web-fonts-in-email-1482/