Recording dates:
A1, A4: April 4, 1939
A2: August 1, 1939
A3: May 5, 1942
A5: May 10, 1940
A6: June 2, 1940
A7: none noted
B1: April 23, 1942
B2: February 5, 1940
B3: March 25, 1942
B4: May 7, 1941
B5: April 28, 1940
B6: January 20, 1940
B7: January 1941?

For track B7: „(music from original soundtrack of the Twentieth-Century Fox-Film production „Sun Valley Serenade „)“

Since the runout info here says „Made in Switzerland“ – there is another release with a label design from switzerland here, but without photos from cover:
[r8461335]
And there is another German (printed in/made in/GEMA) version with same cat# here, but this has a different inner gatefold layout, runout & sleeve back:
[r10377351]