Year is the twelve-book form this text follows, published 1674. First publication was 1667 in ten books. The Standard Ebooks colophon states the poem was written 1658-1663 and names no publication year. The HathiTrust record that edition names (Record/000634929) is catalogued as 1910, A. W. Verity's edition; that scan was not fetched. No Archive.org item is named.