@MontrealCL
I take it you're from Canada? There is an Amiga dealer in Canada, but I can't remember who it is.
Software Hut in the US sell OS3.9 CDs, and Kickstart 3.1 ROMs. The OS3.9 CD has Workbench 3.1, 3.5 & 3.9 on it (if i remember correctly).
Click
here for the Software Hut OS3.9/Kickstart ROM page.