OJCCD-880-2
https://www.discogs.com/Art-Farmer-Early-Art/release/4937509 - January 20 (#1-4) with Rollins, and November 9, 1954 (other selections).
--------------------------------------------------------------------------------------------------------------------------------------
OJCCD-054-2
https://www.discogs.com/The-Art-Farmer-Septet-The-Art-Farmer-Septet/release/4369557 - Recorded July 2, 1953, June 7, 1954, and August 3, 1956
-------------------------------------------------------------------------------------------------------------
OJCCD-241-2
https://www.discogs.com/Art-Farmer-Quintet-Featuring-Gigi-Gryce-Art-Farmer-Quintet-Featuring-Gigi-Gryce/release/2929925 - Recorded in Hackensack, NJ; October 21, 1955
-----------------------------------------------------------------------------------------------------------------------------------
OJCCD-072-2
https://www.discogs.com/Art-Farmer-Gigi-Gryce-When-Farmer-Met-Gryce/release/3141545 - Recorded on : #1-4 : May 19, 1954 - #5-8 : May 26, 1955
------------------------------------------------------------------------------------------------------------
OJCCD-398-2
https://www.discogs.com/Art-Farmer-Farmers-Market/release/2455940 - November 23, 1956 with Mobley
-----------------------------------------------------------------------------
There are quite a number of sideman dates, too, but these cover all the dates Farmer led for Prestige.