Hilary;
The following link is for the Bucks Free Press, you may what to try their Archives to see if they have anything regarding Canadian troops in Slough (and area), Buckinghamshire, from say, 1940 to 1946. The link to their website is located here:
Link. All their contact information is along the left hand column which comes up on the screen.
The paper has been in operation since 18?? something, so they may have something in their archives.
Cheers