Miz Minka guessed correctly: "The Raven" by Edgar Allen Poe. Leave it to a fellow bibliophile! haha
Now I'm off to stare at a bust of Pallas for a while so I can sculpt her out of polymer clay. ;-)
I shall leave you with a link to a published version of the poem so you can figure out where angels, December, and Pluto played a part in my silly mind. :-)