An attempt to piece together the extant flyleaves forming the Worcester fragments; the reconstructions in DIAMM (below) update this attempt. In Lat. liturg. d. 20, original leaves from volumes in Oxford are combined with photographs of those which are preserved in Worcester Cathedral Library, Additional MS 68 (this source also bears the siglum Worc) and British Library Add. MS 25031. The majority of leaves in the Oxford source are photographs.

The factitious manuscript was assembled between 1925 and 1952 as follows: Worcester, fragment x (2 leaves), London, British Museum, Additional 25031 (4 leaves),Worcester xxxi (1 leaf), Worcester xxviii (4 leaves), Oxford, Bodleian Library, Auct.F.inf.i. 3 (8 leaves), Worcester xi (2 leaves), Oxford, Bodleian Library, Hatton 30 (1 leaf), Oxford, Bodley 862 (6 leaves), Worcester ix (1 leaf), Worcester xxxv (6 leaves, formerly in Oxford, Magdalen College, MS 100), Worcester xiii (4 leaves).

Dittmer thought these leaves came from at least 2 volumes and perhaps 5, as follows: vol.1 (280 x 200 mm.) = f. 1-22, vol. 2 (330 x 220 mm.) = f. 25-33, vol. 3 (280 x 200 mm). =f. 23-24, vol. 4 (280 x 200mm.) =f. 36 to 39, vol. 5 (320 x 220mm.) = f. 34v-35. EECM57's reconstruction (followed by DIAMM) places the original leaves in Lat. liturg. d. 20 in two groups: ff. 12-19 & 22 are part of 'Worcester 1;' (the 'motet book'), and ff. 23-25, 28 & 34-35 are part of 'Worcester 2' (the 'large-format volume') - qq.v.

The contents consist of 77 compositions, namely Kyrie Tro, Tondelli, organum-motets and conductus. Generally in three parts, but also for two or four. Concordances are rare, thought there are some.

Images here are for the original leaves in Lat. liturg. d. 20 only.

there is the beginning of a letter from Stephan, archbishop of Arles, to the inhabitants of the city and see of Worcester on f. 9

longs and breves, and the lozenge-shaped notes of the so-called English mensural notation

9-12 red or brown five-line staves per page

Only vol. 1 has a medieval foliation at t.m.r. in Roman numerals.

12-19v, 22-25v, 28 r+v, 34-35v (34 is a part leaf pasted to the remaining stub of the bifolium completed by 35: they are pulling apart (or may have been pulled) and music is visible on the stub as well as the partially obscured verso of 34)

red-blue initials

Parchment

RISM B/IV 1: This factitious manuscript is an attempt to piece together the extant flyleaves forming the Worcester fragments of polyphonic music dating from c. 1300. Since more than half of these leaves are preserved in Worcester, Cathedral Library, Additional ms 68, for which reason this source also bears the siglum Worc, the majority of leaves in the Oxford source are represented by photographs. The ms was put together between 1925 and 1952. The complete arrangement of leaves is as follows : Worcester, fragment x (2 leaves), London, British Museum, Additional 25031 (41eaves),Worcester xxxi (1 leaf), Worcester xxviii (4 leaves), Oxford, Bodleian Library, Auct.F.inf.i. 3 (8leaves), Worcester xi (2 leaves), Oxford, Bodleian Library, Hatton 30 (1 leaf), Oxford, Bodley 862 (6 leaves), Worcester ix (1 leaf), Worcester xxxv (6 leaves, formerly in Oxford, Magdalen College, ms 100), Worcester xiii (4 leaves). According to Dittmer, these leaves actually come from at least 2 volumes and perhaps 5, as follows: vol.1 (280 x 200 mm.) = f. 1-22, vol. 2 (330 x 220 mm.) = f. 25-33, vol. 3 (280 x 200 mm). =f. 23-24, vol. 4 (280 x 200mm.) =f. 36 to 39, vol. 5 (320 x 220mm.) = f. 34v-35. Only vol. 1 has a medieval foliation at t.m.r. in Roman numerals. For better orientation the incipits are listed with the numbers of the edition in DittmerWF in square brackets before the number of the fragments in question. Then follows the present foliation of the source, together with any old foliation in brackets. It will be noticed that Worcester xxxv and ix belong with Bodley 862, but, in order to keep the fragments independent of one another, Worcester xxxv and ix follow the Bodleian leaves instead of forming a unit with it. The notation is on 9-12 red or brown five-line staves per page and may be in English mensural notation or the continental long-breve type. Initials are red, blue or both. Full details of the present measurements of each leaf are given in DittmerWF, 14f. The contents consist of 77 compositions, namely Kyrie Tro, Tondelli, organum-motets and conductus. Generally in three parts, they may be for two or four. Concordances are rare, but there are some. The British Museum leaves have not been removed from the parent ms, which was acquired in 1863. Interestingly enough, there is the beginning of a letter from Stephan, archbishop of Arles, to the inhabitants of the city and see of Worcester on f. 9. Other fragments which do not belong with the present series may be found in the Worcester ms Additional 68, and these are discussed under that heading.

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