Which Markup Matters? By Marshall Simmonds
Using Google+ as Part of Your Marketing Strategy #Mozinar
The Big Bear Guide to Blogging SEO - Camp Blogaway 2014
OGC Document Study
Google authorship markup
Claim your SEO with Authorship
Google Plus - Authorship to Authority - How to Boost your Rankings in Google
Authorship 101: Why It's Important & How To Set It Up by John Shehata
Kkt interactive smx-toronto2013
Google Authorship and Author Stats
Google+ Authorship Markup - Pubcon New Orleans 2013
Authorship paul-spreadbury