According to this document:
http://www.amiga-stuff.com/pd/17bit.html,
the 17bit PD series of disks contains the following in the Sonix set:
Disk 18 SONIX DATA #1
Disk 19 SONIX DATA #2
Disk 20 SONIX DATA #3
Disk 21 SONIX DATA #4
Disk 51 SONIX DATA #5
Disk 52 SONIX DATA #6
Disk 62 SONIX DATA #7
Disk 67 SONIX DATA #8
Disk 69 SONIX DATA #9
Disk 76 SONIX JUKEBOX #1
Disk 77 SONIX JUKEBOX #2
Disk 86 SONIX JUKEBOX #3
Disk 117 SONIX JUKEBOX #5
Disk 129 SONIX JUKEBOX #6 (not available)
Disk 141 SONIX JUKEBOX #7
Disk 163 SONIX JUKEBOX #10
Disk 183 SONIX INSTRUMENTS #1
Disk 185 SONIX INSTRUMENTS #2
Disk 186 SONIX INSTRUMENTS #3
Disk 187 SONIX INSTRUMENTS #4
Disk 188 SONIX INSTRUMENTS #5
Disk 190 SONIX JUKEBOX #14
Disk 198 SONIX HOUSE (ACID)
Disk 201 SONIX CLASSICS
Disk 214 SONIX JUKEBOX #17
Disk 288 SONIX HOUSE #2
Disk 318 SONIX SOUNDS
Disk 341 PURE SONIX
Disk 405 SONIX JUKEBOX #18
Disk 417 SONIX HOUSE #3
Disk 453 SONIX MACHINE
Download them here:
http://ftp.back2roots.org/back2roots/disks/17bit/dms/ 