Denny Zeitlin LP-Soundings/ Free Improvisations Solo Piano-1750 Arch Records

The inner sleeve is either plastic or cellophane. The gentleman had his own filing system of his collection & every sleeve and/or box is labeled. You can see that label in the photos that I've uploaded.

Denny Zeitlin: Nothing Halfway article @ All About Jazz

Review: All About Jazz - New York - 200903, PDF, Jazz

Review: All About Jazz - New York - 200903, PDF, Jazz

Denny Zeitlin

Record Collector Issue 523 October 2021, PDF

Denny Zeitlin – Soundings (1978, Vinyl) - Discogs

Denny Zeitlin

OUT-OF-PRINT JAZZ LP LIST! SOME RARE - Delmark Records

Denny Zeitlin – Soundings - 1978 US Pressing – Vinyl Pursuit Inc

Bill Dobbins - The Contemporary Jazz Pianist - Vol. 4, PDF, Jazz Music

Pianist Zeitlin marks first album's 50th anniversary – The Mercury News

Denny Zeitlin: “The Heart of the Matter.” - Musicians Union Local Six

Denny Zeitlin

Bill Dobbins - The Contemporary Jazz Pianist - Vol. 4, PDF, Jazz Music

DENNY ZEITLIN - SOUNDINGS - ARCH RECORDS-1770 - NEW - MINT