There are at least two editions of this title from different settings of type but with similar pagination and collation. For identification purposes, the following distinctions are noted. Edition A has: v. 1, verso t.-p. quotation from Euripedes in two lines; v. 2, 486 p.; v. 3, quotation on verso t.-p. in two lines; v. 4, quotation in two lines; v. 5, text of book 5 ends on p. 237. Edition B has: v. 1, verso t.-p. quotation in one line; v. 2, 488 p.; v. 3, quotation in one line; v. 4, quotation in one line; v. 5, text of book 5 ends on p. 239.

Edition B.