The Flash Season 2: 28 Easter Eggs & References You Might've Missed
17. A Tale Of Two Cities
Although Earth-2 was a haven of DC Easter eggs (more of which I'll get to soon), one of the best had nothing to do with comics, although it is a work of literature.
Sitting on the desk of Harry Wells at STAR Labs is a copy of Charles Dickens' A Tale of Two Cities, and, well, it hardly needs explaining why that's a clever reference for this particular setting.