Paradise Regain'd ... to which is added Samson Agonistes

No book-club question arises for a 1671 book. The governing later-edition tell is the Omissa: in the 1680 second edition the ten omitted lines are printed in their correct place within the text of Samson Agonistes rather than appended on a separate leaf at the end, so a copy with those lines set in place is not the 1671 first. Copies of the 1671 lacking the licence leaf, the Omissa leaf or the errata leaf are incomplete rather than a distinct earlier state, and the "loth" reading on page 67 marks the corrected later state of the first edition. Nineteenth- and twentieth-century reprints and facsimiles are numerous and are identified by their own imprints.