Enrico also alerted me to the existence of the LP with the three sides in question. It was issued before the CD I mentioned in my previous posting. With the information that you and Enrico provided, I found information about the LP.
Jazz Classics in Digital Stereo - Bix Beiderbecke (great original performances 1924-1930) Bix Beiderbecke
16 Tracks (49:06)
Bix Beiderbecke [sound recording] : great original performances, 1924-1930.
Beiderbecke, Bix, 1903-1931. (Performer)
[Sydney] : ABC Records, c1986.
1 sound disc (CD) : digital, stereo. ; 4 3/4 in.
Jazz classics in digital stereo
Jazz -- 1921-1930.
At the Jazz Band Ball / La Rocca, Shields (2:50)
Copenhagen / Davis, Melrose (2:28)
Royal Garden blues / Williams, Williams (3:00)
Mississippi mud /Barris (3:24)
Sorry / Quicksell (2:52)
Take your tomarrow / Razaf, Johnson (2:59)
Goose pimples /Trent, Henderson (3:14)
Wa-da-da / Barrie, Cavanaugh (3:00)
Rhythm king / Hoover (3:19)
Since my best girl turned me down / Lodwig, Quicksell (3:03)
There'll come a time / Manone, Mole (2:42)
Barnacle Bill the sailor / Luther, Robison (2:45)
Deep Harlem / Mills, Signorelli, Malneck (3:03)
Rockin' chair / Carmichael (3:24)
I like that /Hayton, Trumbauer, Kohler (2:58)
Jazz me blues /Delaney (3:01).
Bix Beiderbecke, cornet, with various ensembles.
ABC Records: CD 38499.
I stand corrected. It is possible (maybe likely) that MrPurser's source for his transfers are Robert Parker's restorations.