Mirrors
by various

In one point he was more fortunate than the novel's fantastic hero. He never knew—never, indeed, had any cause to know—that somewhat grotesque dread of mirrors, and polished metal surfaces, and still waters, which came upon the young Parisian so early in his life, and was occasioned by the sudden decay of a beauty that had once, apparently, been so remarkable.
—The Picture of Dorian Gray, ch. 11

Then suddenly, looking over his shoulder, I realised where his interest in it lay. He was not looking at the picture at all. In the polished glass, that made an excellent mirror in that concentrated light, I had seen his eyes earnestly fixed on his own. . . .
—The Tower of Oblivion

Down at that far end of the hallway, the mirror hovered, shadowing us. We discovered (very late at night such a discovery is inevitable) that there is something monstrous about mirrors.
—“Tlön, Uqbar, Orbis Tertius”