| A-Gu 30 (olim 38/9 f.) | 297v | O quantus erat luctus omnium | M | R | 3.4 | Martini | 4 |  | Image | 
                
                    
                        | A-KN CCl 589 | 104r | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  | Image | 
                
                    
                        | A-KN CCl 1012 | 089r | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 | ♫ | Image | 
                
                    
                        | A-KN CCl 1018 | 156v | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 | ♫ | Image | 
                
                    
                        | A-LIb 290 (olim 183; olim Gamma p 19) | 367v | O quantus erat luctus omnium | M | R | 3.4 | Martini | 4 |  | Image | 
                
                    
                        | A-SF XI 480 | 251v | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  |  | 
                
                    
                        | A-VOR 287 (olim XXIX) | 196v | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  | Image | 
                
                    
                        | A-Wda C-10 | 160v | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  | Image | 
                
                    
                        | A-Wda D-4 | 282r | O quantus erat luctus omnium | V2 | R |  | Martini | 4 |  | Image | 
                
                    
                        | A-Wn Cod. 1799** | 176v | O quantus erat luctus omnium | M | R | 3.4 | Martini | 4 | ♫ | Image | 
                
                    
                        | A-Wn Cod. 1890 | 292r | O quantus erat luctus omnium | M | R | 3.4 | Martini | 4 |  | Image | 
                
                    
                        | B-Gu Hs BKT.006 | 310r | O quantus erat luctus omnium | M | R | 3.1 | Martini | 4 |  | Image | 
                
                    
                        | CDN-Mrb MS Medieval 0234 | 148v | O quantus erat* | M | R | 9 | Martini | 4 |  |  | 
                
                    
                        | CH-E 611 | 242r | O quantus erat luctus omnium | M | R | 3.4 | Martini | 4 | ♫ | Image | 
                
                    
                        | CH-Fco Ms. 2 | 221v | O quantus erat luctus hominum | M | R | 3.3 | Martini | 4 | ♫ | Image | 
                
                    
                        | CH-SGs 391 | 144 | O quantus erat luctus omnium | M | R | 3.4 | Martini | 4 |  | Image | 
                
                    
                        | CH-SGs 388 | 339 | O quantus erat luctus omnium | M | R | 10 | Martini | 4 |  | Image | 
                
                    
                        | D-AAm G 20 | 336r | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  |  | 
                
                    
                        | D-B Mus. 40047 | 113v | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  | Image | 
                
                    
                        | D-BAs Msc.Lit.25 (olim Ed.IV.11) | 100r | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  | Image | 
                
                    
                        | D-FUl Aa 55 | 177v | O quantus luctus* | M | R | 9 | Octava Martini | * |  | Image | 
                
                    
                        | D-FUl Aa 55 | 176r | O quantus erat luctus omnium | M | R |  | Octava Martini | 4 |  | Image | 
                
                    
                        | D-KA Aug. LX | 159v | O quantus erat luctus omnium | M | R | 3.4 | Martini | 4 | ♫ | Image | 
                
                    
                        | D-KNd 215 | 141r | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  | Image | 
                
                    
                        | D-MZb D | 146r | O quantus erat luctus omnium | M | R | 3.2 | Martini | 4 |  |  | 
                
                    
                        | D-Ma 12o Cmm 1 | 199r | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  |  | 
                
                    
                        | D-Mbs Clm 4306 | 235r | O quantus erat luctus omnium | M | R | 3.1 | Martini | 4 |  | Image | 
                
                    
                        | D-Mbs Clm 4305 | 198v | O quantus erat luctus omnium | M | R | 3.1 | Martini | 4 | ♫ | Image | 
                
                    
                        | D-Sl HB.I.55 | 142v | O quantus erat luctus omnium | M | R | 3.4 | Martini | 4 |  |  | 
                
                    
                        | D-TRs 1245 / 597 (original) | 124r | O quantus erat* | M | R | 3.4 | Martini |  |  |  | 
                
                    
                        | D-TRs 1245 / 597 (revised) | 124r | O quantus erat* | M | R | 3.4 | Martini |  |  |  | 
                
                    
                        | D-W Cod. Guelf. 28 Helmst. (Heinemann-Nr. 31) | 211r | O quantus erat luctus omnium | M | R | 3.2 | Martini | 4 |  |  | 
                
                    
                        | DK-Kk Gl. Kgl. S. 3449 8o [13] XIII | 023v | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 | ♫ | Image | 
                
                    
                        | E-Tc 44.2 | 156v | O quantus erat luctus omnium | M | R | 8 | Martini | 4 |  |  | 
                
                    
                        | E-Tc 44.1 | 136v | O quantus erat luctus hominum | M | R | 8 | Martini | 4 |  |  | 
                
                    
                        | F-AI 44 | 122r | O quantus erat luctus omnium | M | R | 9 | Martini | * |  |  | 
                
                    
                        | F-AS 465 (CGM 893) | 480r | O quantus erat luctus omnium | M | R | 3.4 | Martini | 4 |  | Image | 
                
                    
                        | F-CA 38 (olim 40) | 363r | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  |  | 
                
                    
                        | F-Pn NAL 1535 | 118r | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  | Image | 
                
                    
                        | F-Pn Latin 1090 | 227v | O quantus erat luctus omnium | M | R | 11 | Martini | 4 |  | Image | 
                
                    
                        | F-Pn Latin 12044 | 205v | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 | ♫ | Image | 
                
                    
                        | F-Pn Latin 12601 | 159v | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  | Image | 
                
                    
                        | F-Pn Latin 12601 | 165r | O quantus erat luctus* | M | R | 3.3 | Octava Martini | 4 |  | Image | 
                
                    
                        | F-Pn Latin 15182 | 437r | O quantus erat luctus omnium | M | R | 3.2 | Martini | 4 |  | Image | 
                
                    
                        | F-Pn Latin 1085 | 095r | O quantus erat luctus* | M | R | 3.3 | Martini | 4* |  | Image | 
                
                    
                        | F-Pn NAL 1412 | 124v | O quantus erat luctus omnium | M | R | 3.4 | Martini | 4T |  | Image | 
                
                    
                        | F-R 248 (olim  A. 339) | 117v | O quantus luctus erat omnium | M | R | 2.4 | Martini | 4 |  |  | 
                
                    
                        | F-VAL 114 | 165v | O quantus erat luctus omnium | M | R | 3.4 | Martini | 4 |  |  | 
                
                    
                        | GB-AB 20541 E | 289v | O quantus erat luctus omnium | M | R | 3.2 | Martini | 4 |  |  | 
                
                    
                        | GB-Cu Mm.ii.9 | 591 | O quantus erat luctus omnium | M | R | 3.2 | Martini | 4 |  |  | 
                
                    
                        | GB-Ob MS. Canon. Liturg. 202 | 116v | O quantus erat luctus omnium | M | R | 10 | Martini | 4 |  | Image | 
                
                    
                        | GB-Ob MS. Laud Misc. 284 | 087r | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  | Image | 
                
                    
                        | GB-WO F. 160 (olim 1247) (with hymnal) | 265v | O quantus erat luctus omnium | M | R | 3.2 | Martini | 4 |  |  | 
                
                    
                        | GB-WO F. 160 (olim 1247) (facsimile) | 401 | O quantus erat luctus omnium | M | R | 3.2 | Martini | 4 |  |  | 
                
                    
                        | H-Bu lat. 121 | 055v | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  |  | 
                
                    
                        | HR-Hf Cod. E Nr. 3 | 210r | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  |  | 
                
                    
                        | I-AO 6 | 114r | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  |  | 
                
                    
                        | I-Ac 694 | 348v | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  |  | 
                
                    
                        | I-Ac 693 | 239v | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 | ♫ |  | 
                
                    
                        | I-Ad 5 | 451 | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  |  | 
                
                    
                        | I-Far s.c. | 191r | O quantus erat luctus hominum | M | R | 3.2 | Martini | 4 |  |  | 
                
                    
                        | I-Fl Conv. sopp. 560 | 175r | O quantus erat luctus hominum | M | R | 3.3 | Martini | 4 |  |  | 
                
                    
                        | I-Lc 601 | 486 | O quantus erat luctus omnium | M | R | 3.4 | Martini | 4 |  |  | 
                
                    
                        | I-MZ 15/79 | 260v | O quantus erat luctus omnium | M | R | 11 | Martini | 4 |  |  | 
                
                    
                        | I-Nn vi. E. 20 | 346r | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  |  | 
                
                    
                        | I-PCd cod. 65 | 413v | O quantus erat luctus omnium | M | R | 10 | Martini | 4 |  |  | 
                
                    
                        | I-PCd cod. 65 | 414r | O quantus erat* | V2 | R |  | Martini | 4 |  |  | 
                
                    
                        | I-Rv C.5 | 266v | O quantus erat luctus omnium | M | R | 3.4 | Martini | 4 |  |  | 
                
                    
                        | NL-Uu Ms. 406 (shelfmark 3 J 7) | 198r | O quantus erat luctus omnium | M | R | 3.2 | Martini | 4 | ♫ | Image | 
                
                    
                        | NL-ZUa 6 | 155v | O quantus erat luctus omnium | M | R | 3.2 | Martini | 4 |  |  | 
                
                    
                        | PL-KIk Ms. 1 | 246r | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  |  | 
                
                    
                        | PL-Kkar Ms.1 (rkp. Perg. 12) | 328 | O quantus erat luctus omnium | M | R | 3.2 | Martini | 4 |  |  | 
                
                    
                        | PL-Kkar Ms.3 (rkp. Perg. 15) | 174v | O quantus erat luctus omnium | M | R | 3.2 | Martini | 4 |  |  | 
                
                    
                        | PL-WRu Ms. R 503 | 208r | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  |  | 
                
                    
                        | PL-WRu I F 401 | 230r | O quantus erat luctus omnium | M | R | 3.4 | Martini | 4 | ♫ | Image | 
                
                    
                        | SI-Lna 19 (olim 18) | 183r | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  |  | 
                
                    
                        | TR-Itks Deissmann 42 | 249v | O quantus erat luctus hominum | M | R | 3.3 | Martini | 4 |  |  | 
                
                    
                        | US-Cn 24 | 232v | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  |  | 
                
                    
                        | V-CVbav lat. 8737 | 264r | O quantus erat luctus omnium | M | R | 3.3 | Martini | 4 |  | Image |