Out of the 50, I don't have the following, but if it's a cardboard-sleeve collection with unreadable covers shrunk onto the jackets, I'll probably pass.  
 
3. Quincy Jones, The Quintessence 
7. Max Roach, Percussion Bitter Sweet 
8. Manny Albam, Jazz Goes to the Movies 
15. J.J. Johnson, Proof Positive 
18. Shirley Scott, Queen of the Organ 
22. Stanley Turrentine, Let It Go 
25. Dizzy Gillespie, Swing Low Sweet Cadillac 
26. Charlie Haden, Liberation Music Orchestra 
27. Rolf & Joachim Kuhn Quartet, Impressions of New York 
39. Danilo Perez, Central Avenue 
40. Michael Brecker, Two Blocks From The Edge 
41. Alice Coltrane, Translinear Light 
42. Jose James & Jef Neve, For All We Know 
46. Tom Scott, Rural Still Life 
47. Michael White, The Land of Spirit and Light 
49. Max Roach – It’s Time