A-Gu 29 | 121r | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
A-KN CCl 1010 | 101v | Ubi duo vel tres congregati | E | A | 1 | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
A-KN CCl 1011 | 187v | Ubi duo vel tres congregati | E | A | 3 | Hebd. 3 Quad. | 4 | Image | CD |
A-KN CCl 1013 | 118r | Ubi duo vel tres congregati | E | A | 1 | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
A-KN CCl 1015 | 145r | Ubi duo vel tres congregati | E | A | 3 | Hebd. 3 Quad. | 4 | Image | CD |
A-KN CCl 1017 | 142v | Ubi duo vel tres congregati | E | A | 1 | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
A-KN CCl 25 Antiphonarium (Fragm.) | I*r | Ubi duo vel tres congregati fuerint | | A | 1 | Fer. 3 Hebd. 3 Quad. | 4 | Image | A4M |
A-LIb 290 | 195v | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | ? | Image | CD |
A-SF XI 480 | 079r | Ubi duo vel tres congregati | E | A | 3 | Hebd. 3 Quad. | 4 | | CD |
A-VOR 287 | 069v | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4T | Image | CD |
A-Wda C-11 | 098r | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4T | Image | CD |
A-Wn 1799** | 054v | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 7 | Image | CD |
A-Wn Cod. 1890 | 131r | Ubi duo vel tres congregati | E | A | 1 | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
AUS-Sfl Add. Ms. 413 | 122r | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
B-TOb olv 63 | 128r | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
B-TOb olv 64 | 113v | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
CAlb | 067r | Ubi duo vel tres | | antiphonae | | Qu H3 f3 | | | MEL |
CDN-Hsmu M2149.L4 | 095r | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 7 | Image | CD |
CDN-Ttfl MSS 09700 | 031v | Ubi duo vel tres congregati | V | A | M | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
CH-E 611 | 064v | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4? | Image | CD |
CH-Fco Ms. 2 | 082v | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
CH-SGs 388 | 165 | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
CH-SGs 390 | 158 | Ubi duo vel tres congregati | E | A | 1 | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
CZ-Pn (Praha) XV A 10 | 144v | Ubi duo vel tres congregati fuerint | E | A | 1 | Fer. 3 Hebd. 3 Quad. | 4T | | FCB |
CZ-Pst DE I 7 | 129v | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
CZ-Pu (Praha) VI G 11 | 123v | Ubi duo vel tres congregati fuerint | L | A | B | Fer. 3 Hebd. 3 Quad. | | | FCB |
CZ-Pu VI.E.4c | 209r | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | | | CD |
CZ-Pu XIV B 13 | 122r | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
Cz-Pu (Praha) XIV A 19 | 113v | Ubi duo vel tres congregati fuerint | E | A | 1 | Fer. 3 Hebd. 3 Quad. | 4T | | FCB |
D-AAm G 20 | 076r | Ubi duo vel tres congregati | E | A | 1 | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
D-B Mus. 40047 | 053r | Ubi duo vel tres congregati | E | A | 1 | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
D-KA Aug. LX | 073v | Ubi duo vel tres congregati | E | A | 1 | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
D-KNd 1161 | 058v | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 7 | Image | CD |
D-KNd 215 | 069r | Ubi duo vel tres congregati | E | A | 1 | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
D-MZb B | 075v | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 7 | | CD |
D-Ma 12o Cmm 1 | 086r | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
D-Mbs Clm 4303 | 201r | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
D-Mbs Clm 4306 | 054r | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
D-Sl HB.I.55 | 061v | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
D-W 29 Helmst. | 084r | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
DK-Kk 3449 8o [04] IV | 197v | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
E-Bbc E-Bbc, Ms. 619 | 036r | Ubi duo vel tres congregati | | A | | Fer. 3 Hebd. 3 Quad. | 4 | | SEMM |
E-Gs ms. 45 (olim Sant Feliu, 20) | 132v | Ubi duo vel tres congregati | | A | | Fer. 3 Hebd. 3 Quad. | 4 | | SEMM |
E-H Ms. 2 | 0101r | Ubi duo vel tres congregati | | A | M | Fer. 4 Hebd. 3 Quad. | 4 | | SEMM |
E-H Ms. 7 (ant. 5) | 155r | Ubi duo vel tres congregati | | A | | Fer. 3 Hebd. 3 Quad. | | | SEMM |
E-SI ms. 9 | 050r | Ubi duo vel tres congregati | | A | M | Fer. 3 Hebd. 3 Quad. | 4 | | SEMM |
E-Tc 44.1 | 062r | Ubi duo vel tres congregati | E | A | 2 | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
F-AI 44 | 081v | Ubi duo vel tres congregati | X | A | 2 | Fer. 3 Hebd. 3 Quad. | * | | CD |
F-AS 465 (CGM 893) | 128r | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
F-CA 38 | 090r | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4T | | CD |
F-CA Impr. XVI C 4 | 239r | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4T | | CD |
F-Col_part : Mont-Renaud | 079r | Ubi duo vel tres congregati fuerint | E | A | | Fer. 3 Hebd. 3 Quad. | | Image | MMMO |
F-Pn : Lat. 17296 | 110r | Ubi duo vel tres congregati fuerint | V2 | A | | Fer. 3 Hebd. 2 Quad. | 4 | Image | MMMO |
F-Pn : NAL 01236 | 129r | Ubi duo vel tres congregati fuerint | E | A | 1 | Fer. 3 Hebd. 3 Quad. | | Image | MMMO |
F-Pn Lat. 1085 | 049r | Ubi duo* | E | A | 2 | Fer. 3 Hebd. 3 Quad. | 4* | Image | CD |
F-Pn Lat. 1090 | 055r | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
F-Pn Lat. 12044 | 081v | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4T | Image | CD |
F-Pn Lat. 1240 | 074v | Ubi duo vel* | E | A | 2 | Fer. 3 Hebd. 3 Quad. | * | Image | CD |
F-Pn Lat. 15181 | 247v | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4T | Image | CD |
F-Pn NAL 1411 | 074r | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 7 | Image | CD |
F-Pn NAL 1535 | 050v | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4T | Image | CD |
F-TOm 149 | 235v | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4T | | CD |
F-VAL 114 | 049r | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4T | | CD |
GB-Cu Mm.ii.9 | 180 | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4T | | CD |
GB-Lbl Add MS 30847 | 180r | Ubi duo vel tres congregati | | A | M | Fer. 3 Hebd. 3 Quad. | * | | SEMM |
GB-Lbl Add MS 30848 | 106r | Ubi duo vel tres congregati | | A | M | Fer. 3 Hebd. 3 Quad. | 4 | | SEMM |
GB-Lbl Add MS 30850 | 086r | Ubi duo vel tres congregati | | A | M | Fer. 3 Hebd. 3 Quad. | 4 | | SEMM |
GB-Ob MS. Canon. Liturg. 202 | 057v | Ubi duo vel tres congregati | E | A | 1 | Fer. 3 Hebd. 3 Quad. | ? | | CD |
GB-Ob MS. Laud Misc. 284 | 039v | Ubi duo vel tres congregati | E | A | 1 | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |
GB-WO F.160 | 049v | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4T | | CD |
GB-WO F.160 (Facs) | 099 | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4T | | CD |
H-Bu lat. 118 | 190r | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
HR-Hf Cod. D | 119r | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
I-Ac 693 | 086v | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
I-Ac 694 | 106v | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
I-Ad 5 | 159 | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
I-CHV s.c. | 046v | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | ? | | CD |
I-Far s.c. | 089r | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
I-Fl Conv. sopp. 560 | 096r | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 7 | | CD |
I-Lc 601 | 155 | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
I-MZ 15/79 | 073v | Ubi duo vel tres congregati | E | A | 1 | Fer. 3 Hebd. 3 Quad. | 4T | | CD |
I-Nn vi.E.20 | 101r | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
I-PCd cod. 65 | 316r | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 7 | | CD |
I-Rv C.5 | 126r | Ubi duo vel tres congregati | P | A | | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
I-VCd CLXX | 065r | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4T | | CD |
MA Impr. 1537 | 105r | Ubi duo vel tres congregati | E | A | 1 | Fer. 3 Hebd. 3 Quad. | 4T | Image | CD |
NL-Uu 406 (3 J 7) | 079r | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4T | Image | CD |
OFM-118 | 189r | Ubi duo vel tres | | antiphonae | | Qu H3 f3 | 4 | | MEL |
P-AR Res. Ms. 021 | 087v | Ubi duo vel tres congregati fuerint | L | A | B | Fer. 3 Hebd. 3 Quad. | 7 | Image | PEM |
P-BRs Ms. 032 | 159v | Ubi duo vel tres congregati fuerint | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | Image | PEM |
P-Cug MM 1063 (39) + MM 1063 (40) + MM 1063 (44) | Dv | Ubi duo vel tres congregati fuerint | V2 | A | | Fer. 3 Hebd. 3 Quad. | 8 | Image | PEM |
P-Ln RES. 253 P. | 098v | Ubi duo vel tres congregati fuerint | E | A | M | Fer. 3 Hebd. 3 Quad. | * | Image | PEM |
PL-KIk 1 | 063r | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4T | | CD |
PL-Kkar 2 (Rkp 14) | 139r | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 7 | | CD |
PL-WRu I F 401 | 057v | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 7 | Image | CD |
PL-WRu R 503 | 059r | Ubi duo vel tres congregati | E | A | | Fer. 3 Hebd. 3 Quad. | 4T | | CD |
SI-Lna 18 (olim 17) | 092r | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4T | | CD |
SK-BRl Lyc FI5 | 001r | Ubi duo vel tres congregati fuerint | L | A | B | Fer. 3 Hebd. 3 Quad. | | Image | CSK |
SK-BRsa SNA 2 | 105v | Ubi duo vel tres congregati fuerint | L | A | B | Fer. 3 Hebd. 3 Quad. | | Image | CSK |
SK-BRsa SNA 4 | 127r | Ubi duo vel tres congregati fuerint | L | A | B | Fer. 3 Hebd. 3 Quad. | | Image | CSK |
SK-Bra BAIII ECLad.6 | 072v | Ubi duo vel tres congregati fuerint | L | A | B | Fer. 3 Hebd. 3 Quad. | | Image | CSK |
Str-1 | 071v | Ubi duo vel tres | | antiphonae | | Qu H3 f3 | 4 | | MEL |
Str-2 | 105v | Ubi duo vel tres | | antiphonae | | Qu H3 f3 | 4 | | MEL |
Str-4 | 127r | Ubi duo vel tres | | antiphonae | | Qu H3 f3 | 4 | | MEL |
Str-42 | 069r | Ubi duo vel tres | | antiphonae | | Qu H3 f3 | 4 | | MEL |
Str-7 | 129v | Ubi duo vel tres | | antiphonae | | Qu H3 f3 | 4 | | MEL |
Str-8 | 162 | Ubi duo vel tres | | antiphonae | | Qu H3 f3 | 4 | | MEL |
Str-I/3/1 | 028v | Ubi duo vel tres | | antiphonae | | Qu H3 f3 | 4 | | MEL |
TR-Itks 42 | 069r | Ubi duo vel tres congregati | L | A | B | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
US-Cn 24 | 098v | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | | CD |
V-CVbav B.79 | 081v | Ubi duo vel tres congregate | L | A | B | Fer. 3 Hebd. 3 Quad. | Da | Image | CD |
V-CVbav Vat.lat. 8737 | 071r | Ubi duo vel tres congregati | V2 | A | M | Fer. 3 Hebd. 3 Quad. | 4 | Image | CD |