a) The Mad Hatter's Tea Party for Alice In Wonderland (published 1865) by John Tenniel
b) Baphomet, in Dogme et Rituel de la Haute Magie, (1856) by Eliphas Levi.
While it would be a significant symbol in occultism, i don't really mean to assume that Tenniel thought of it as anything but an interesting idea to play with just as much as I think that a number of artists have played with it in strange and cunning ways, and I don't have any urge to claim that they were practicing occultists or whatever.
But if someone has something more to say, that I might be interesting.
e) One might even think that the Baphomet's breast has been transformed into the teapot