Century was a 'pirate' label which reissued classic jazz.

Jelly Roll Morton
[M11142-9]
Jelly Roll Morton And His Orchestra:
Tommy Ladnier (cnt) or Bernie Young (cnt) Roy Palmer (tb) Wilson Townes (cl) Charles Harris (as) Jelly Roll Morton (p) Jasper Taylor (woodblocks)
Chicago, June, 1923
1434-1    Big foot ham [Big fat ham]    Para 12050, Byg (It)24, Rhapsody (E)RHA6021,
       Neatwork (Au)RP2010 [CD]
1434-2    Big foot ham [Big fat ham]    Para 12050, 14007, Cen 3004, Jazz Coll (E)L11,
       AFCDJ (F)AO53, Riv RLP12-128, (Du)RM8816,
       Milestone LP2003, M47018, Byg (It)24, Folkways
       FP63, FJ2805, Rhapsody (E)RHA6021, Milestone
       MCD47018-2 [CD], Classics (F)584 [CD]
1435-2    Muddy water blues    Para 12050, 20251, 14007, Fam 3245, Nat 12251,
       Pur 11251, Hg 834, Cen 3004, Jazz Coll (E)L11,
       AFCDJ (F)AO8, Riv RLP12-128, (Du)RM8816,
       Byg (It)24, Rhapsody (E)RHA6021,
       Milestone LP2003, M47018, M47018-2[CD]
       Classics (F)584 [CD]
Note: Original issues as by "Jelly Roll Marton" (sic).
Milestone MCD47018-2 [CD] titled "Jelly Roll Morton 1923/24"; see following sessions and King Oliver for rest of CD.
Classics (F)584 [CD] titled "Jelly Roll Morton 1923-1924"; see following sessions to June 9, 1924 for rest of CD.
All above titles also on Masters of Jazz (F)MJCD19 [CD] titled "Jelly Roll Morton, volume 1, 1923-1924"; see following sessions and "New Orleans Rhythm Kings" for rest of CD.
One take of each title on Black Swan HCD13 [CD] titled "Paramount Piano Blues, volume three"; see flwg sessions to "April/May,1924" for more titles; rest of CD by others.
Neatwork (Au)RP2010 [CD] titled "Jelly Roll Morton, volume 1, 1923-1929 , The Alternate Takes"; see flwg sessions to July 9, 1929 for rest of CD.