According to current research, a total of 31 masses are attributed to Josquin Desprez in the sources of the 15th and 16th centuries. 18 of these 31 masses are now considered authentic, the other 13 masses are very probably by other composers, including Loyset Compère, Noel Bauldeweyn, Pierre de La Rue, Johannes Martini, Pierre Moulu and Jean Richafort.

1. Masses

No.	Title	Voices	ID	Authenticity (NJE)
1	Missa Ad fugam	4	NJE_12.01	authentic
2	Missa Allez regretz I	4	NJE_07.01	spurious
3	Missa Allez regretz II	4	NJE_07.02	spurious
4	Missa Ave maris stella	4	NJE_03.01	authentic
5	Missa Da pacem	4	NJE_03.02	spurious
6	Missa De beata virgine	4-5	NJE_03.03	authentic
7	Missa Dirige [= Missa Cum jocunditate]	4	NJE_03.04	spurious
8	Missa D’ung aultre amer	4	NJE_07.03	authentic
9	Missa Faysant regretz	4	NJE_08.01	authentic
10	Missa Ferialis	4	NJE_04.01	spurious
11	Missa Fortuna desperata	4	NJE_08.02	authentic
12	Missa Gaudeamus	4	NJE_04.02	authentic
13	Missa Hercules Dux Ferrarie	4-6	NJE_11.01	authentic
14	Missa La sol fa re mi	4	NJE_11.02	authentic
15	Missa L’ami Baudichon	4	NJE_05.01	authentic
16	Missa L’homme armé [quarti toni]	4	NJE_06.01	spurious
17	Missa L’homme armé sexti toni	4-6	NJE_06.02	authentic
18	Missa L’homme armé super voces musicales	4	NJE_06.03	authentic
19	Missa Malheur me bat	4-6	NJE_09.01	authentic
20	Missa Mater patris	4-5	NJE_10.01	authentic
21	Missa Missus est Gabriel angelus	4	NJE_10.02	spurious
22	Missa Mon seul plaisir	4?	NJE_09.02	spurious
23	Missa N’auray je jamais [= Missa Di dadi]	4	NJE_09.03	authentic
24	Missa Pange lingua	4	NJE_04.03	authentic
25	Missa Pro defunctis	6	NJE_04.04	spurious
26	Missa Quem dicunt homines	4-5	NJE_10.03	spurious
27	Missa Rosina	4?	NJE_09.04	spurious
28	Missa Sine nomine	4	NJE_12.02	authentic
29	Missa Sub tuum presidium	4	NJE_04.05	spurious
30	Missa Une mousse de Biscaye	4	NJE_05.02	authentic
31	Missa Veni sancte spiritus	5	NJE_04.06	spurious

2. Mass Sections

Fourteen mass movements have survived in the sources of the 15th and 16th centuries, eight of which are now considered authentic, while five are attributed to other composers. The “Credo La belle se siet” is considered doubtful; in the oldest source it is attributed to Robert de Févin.

No.	Title	Voices	ID	Authenticity (NJE)
1	Agnus dei	2	NJE_13.11	spurious
2	Credo Chascun me crie	4	NJE_13.01	authentic
3	Credo De tous biens playne	4	NJE_13.02	authentic
4	Credo La belle se siet	4	NJE_13.03	dubious
5	Credo [Quarti toni]	4	NJE_13.04	authentic
6	Credo Vilayge I	4	NJE_13.05	authentic
7	Credo Vilayge II	4	NJE_13.06	authentic
8	Crucifixus	2	NJE_13.12	spurious
9	Et incarnatus est	2	NJE_13.13	spurious
10	Gloria De beata virgine	4	NJE_13.07	authentic
11	Gloria [De beata virgine]	3	NJE_13.08	spurious
12	Kyrie Pascale	4	NJE_13.14	spurious
13	Sanctus De passione	4	NJE_13.09	authentic
14	Sanctus D’ung aultre amer/Tu lumen	4	NJE_13.10	authentic