Blogs mentioned in appearance order:

http://prince-shining-armor.tumblr.com/

http://just-ask-rainbow-dash.tumblr.com/

http://ask-lemonhearts.tumblr.com/

http://ask-rebellious-cadence.tumblr.com/

http://blankapplebloom.tumblr.com/

http://ask-kid-discord.tumblr.com/

http://ask-scylla.tumblr.com/

http://asktheconsoleponies.tumblr.com/

http://zelda-pony.tumblr.com/

http://askfilmcut.tumblr.com/

http://ask-albino-pie.tumblr.com/

http://ask-spitfire-thewonderbolt.tumblr.com/

http://ask-pegasus-lola.tumblr.com/

http://princess-skyla-replies.tumblr.com/

http://askprincesaluna.tumblr.com/

http://motherlyscootaloo.tumblr.com/

http://asksunshinepegasus.tumblr.com/

http://askcoffeemike.tumblr.com/

http://ask-sweet-wheat.tumblr.com/

http://askmintypegasus.tumblr.com/

http://askfillyrarity.tumblr.com/

http://forgetful-twilight.tumblr.com/

http://uninspired-equestrian-author.tumblr.com/

http://some-random-pony.tumblr.com/

http://2blondiegirl.tumblr.com/

http://ask-joen-pony.tumblr.com/

http://ask-ghostly-mist.tumblr.com/

http://ask-king-sombra.tumblr.com/

http://twixie-answers.tumblr.com/

http://asksugarsprinklespony.tumblr.com/

http://lettersforcelestia.tumblr.com/

http://spittfire.tumblr.com/

http://jerkyhooves.com/

http://ask-internetexplorer.tumblr.com/

http://ask-safaripony.tumblr.com/

http://ask-firefox.tumblr.com/

http://askpiratedash.tumblr.com/

http://ask-bee-pauline.tumblr.com/

http://askspirit.tumblr.com/

http://asksmores.tumblr.com/

http://persistentrarity.tumblr.com/