Ah, my trusty old Penguin Coleridge! Edited by Kathleen Raine. OK, so in her introduction she insists STC was a Platonist, which he really really wasn't. But no matter: a healthy selection of poetry and prose, nicely printed, and ... wait:
Wave a circle? How would you even do that? Ach, never mind. It only ruins the perfect closing lines of one of the most perfect poems anybody ever wrote in English. It's no biggy.