Coal as an erotic symbol.
D003031:Coal; D004325:Dreams; D006716:Homosexuality; D006801:Humans; D008091:Literature; D008149:Love; D011037:Poetry as Topic; D011573:Psychoanalytic Interpretation; D011574:Psychoanalytic Theory; D012725:Sexual Behavior; D013561:Symbolism; D014925:Wit and Humor as Topic
D003031:Coal