This is your one-stop shop for ancient sources, illustrated versions, Greek translations, and anything else you could want on Song of Songs. You name it, they've got it.
This article from the Jewish Encyclopedia has some interesting insights into the allegorical nature of the Song of Songs.
This article thinks about how certain books of the Bible—like the Song of Songs—made it into the canon. Their answer: everyone loves a good sex poem.
This author doesn't let you forget that Song of Songs is a wee bit scandalous.
Song of Solomon pickup lines. Nuff said.
It is a song after all, so we should probably hear it, well, sung.