William Barclay on Universalism:

I believe that it is impossible to set limits to the grace of God. I believe that not only in this world, but in any other world there may be, the grace of God is still effective, still operative, still at work. I do not believe that the operation of the grace of God is limited to this world. I believe that the grace of God is as wide as the universe.

Click here to read the whole article at Auburn.edu

Thus far, I have been unable to find any thoughts by Reginald Barclay on the topic of universalism.