"The life of ... Francis Bacon ...", "Articles of enquiry, touching metals and minerals ..." and "History natural and experimental of life and death ..." have each separate paging and special t.p.; the last two dated 1669.

Errors in paging.

Gibson 179b, variant.

Wing B331A, variant.

RBSC copy: Vol. 1, port., added engr. t.p. dated 1669, dedication (prelim. p. [3-4], "Table of chief matter" ([18] p.), "His Lordships usual receipt for the gout" [1] p.) and v. 2, p. 17-22, wanting. Vol. 2, "To the reader" (prelim. p. [3-4]) bound before the text instead of before the preface to "The history of life and death". Bound in 2 vols. With two bookplates of the Earls of Derby (Edward Smith Stanley the 13th Earl, and Edward George Geoffrey Smith Stanley, the 14th Earl [Franks 27891]?). With the autograph of James Spedding.