design [gestaltung] Constanze Martin-Brahn
engineer [tontechnik] Helmut Nadja
ensemble Heutling-Quartett
flute Peter Martin
liner notes Hubertus Venzlaff
photography by Peter Gauditz
recording supervisor [aufnahmeleitung] Klaus Scheibe
viola Erich Bohlscheid
tracks a1 to a3 viola [ii] Oswald Gattermann
tracks b1 to b6 violin Oswald Gattermann
violin Werner Heutling
violoncello Konrad Haesler
Published By Leuenhagen & Paris
Distributed By Leuenhagen & Paris
Recorded By Deutsche Grammophon Gesellschaft
Recorded At Beethovensaal, Hannover
Manufactured By Deutsche Grammophon Gesellschaft
Pressed By Deutsche Grammophon Gesellschaft Pressing Plant
Printed By Gerhard Stalling AG
1st cat. no. on front cover and back cover,
2nd cat. no. on spine,
3rd cat. no. on labels

Matrix / Runout: 0666 766 = 2 S1 320 1 E (Runout side A)
Matrix / Runout: 0666 766 = 3 S2 320 1 F (Runout side B)
Other: D. P. (Public Domain declaration on labels)