This MS. of "Piers Plowman" contains a text made up of two different versions of the poem, viz. of the first or earliest version and of the third or latest . The portion containing the earliest version (in full) (all but the Last Passus) is from the beginning, to the end of Passus secundus de dowel -- at which point the early versions end in most MSS. See the words "Breuis "Passus tercius de dowel ; Breuis or(ati)o penetrat celum" - on fol. 52. r. cf 30r The remainder consists of the latter part of the third version : the junction being made (as well as it could be) by help of the quotation, "Breuis oratio" &c

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An evident indication of this junction is afforded by noting that "Passus tercius de dowel" is only 17 lines long, & is followed by "Passus secundus de dobet" / where dobet is an error for dowel / this "Passus secundus" being reckoned according to the system of numbering usual in the third or latest version.

Walter W. Skeat