From The 5 Alls by Thomas Hood, 1868.

From Paris Qui Souffre by Adolphe Guillot, 1887.

There's actually nothing wrong with gazing upon oneself, just as long as the mirror is appropriate.  From The Fairy Tales of the Brothers Grimm, illustrated by Arthur Rackham, 1916.

"The mirror here confirmed me this," from Humorous Poems by Thomas Hood and illustrated by C. E. Brock, 1893.

"Cosmo approached the mirror."  From Phantastes by George MacDonald, 1894.

"The tailor's goose," from Un-natural History Not Taught in Bored Schools by James Freyberg, 1883.

Here's a precursor to The Mirror Has Two Faces, from Pictures and Songs for Little Children, 1888.  The text reads, "The face in the hollow.  The face in the spoon back."

The upside-down world, from Red Apple and Silver Bells by Hamish Hendry and illustrated by Alice B. Woodward, 1899.

Here's a precusor to Edith Wharton's "be the candle or the mirror that reflects it" (1908), from Light: A Course of Experimental Optics, Chiefly with the Lantern by Lewis Wright, 1882.

"She got up and staggered towards an old mirror."  (If you ask us, there's no better way to approach an old mirror than to stagger.)  From The Dove's Nest and Other Tales, 1886.