backing vocals Florence Ballard
backing vocals Mary Wilson
design [cover] Esther Gordy Edwards
design [cover] J. Pryor
lead vocals Diana Ross
liner notes Scott St. James
producer Holland & Dozier
Pressed By RCA Records Pressing Plant, Hollywood
1st pressings of this release are noted as “MM 643 Mono” or MS 643 Stereo”, they have a full color front artwork with no framing border, only a top banner with Stereo text. Back cover states copyright 1966 in lower left corner. Reprints I Hear A Symphony have copyright 1966 info in middle of back panel and have image with framing border along Stereo in text on top.

First cat.nr. on spine, second on label, third on front and back cover.

Runouts are etched and stamped.
Pressing Plant ID: H (Stamped in runout)
Matrix / Runout: HS-1390 T4RS-4401 (Label A)
Matrix / Runout: HS-1391 T4RS-4402 (Label B)
Matrix / Runout: S643 A HS-1390 T 4RS-4401-1 H (Runout A, variant 1)
Matrix / Runout: S 643 B HS-1391 T 4RS-4402-1 G (Runout B, variant 1)
Matrix / Runout: HS-1390 H T4RS-4401-1 E (Runout A, variant 2)
Matrix / Runout: HS-1391 T̶ H T4RS-4402-1 E (Runout B, variant 2)