Email Holiday Calendar 2016 http://www.emailmonks.com/email-marketing-holiday-calender-planner-2016/infographic.html
The Anatomy of a Perfect Holiday Greetings Email http://www.rybbon.net/blog/the-anatomy-of-a-perfect-holiday-greetings-email-by-emailmonks/
Holiday email trends, dates, and tips https://www.campaignmonitor.com/blog/email-marketing/2015/10/holiday-email-marketing-trends-dates-and-tips/
24 awesome Black Friday ideas https://www.campaignmonitor.com/blog/email-marketing/2015/10/24-awesome-black-friday-marketing-campaigns/
Holiday email marketing trends, dates, and tips https://www.campaignmonitor.com/blog/email-marketing/2015/10/holiday-email-marketing-trends-dates-and-tips/