Do Mage Armor and Draconic Resilience function with shields?

@Undead_Merchant @mikemearlsDo Mage Armor and Draconic Resilience function with shields?
Monk and Barb features are explicit. Yes, the mage armor spell and the sorcerer's Draconic Resilience work with a shield.

— Jeremy Crawford (@JeremyECrawford) October 22, 2014