Turns out there's an 8th book so I'm still missing one. These things sold for 5 bucks when they were new, I'm not willing to pay more than that for a used copy. I paid $3.50 each for the others on eBay.
Should pale death with arrow dread Make the ocean caves our bed Though no eye of love might see Where that shrouded grave shall be Thou! who hear'st the surges roll Deign to save the suppliant soul