If this site isn't quite enough for you, take a look at, and possibly pick up, some of these books listed here, which have to do with Canadian old-time radio. The links point you to the Canadian version of Amazon, unless otherwise noted.
From Coast To Coast: A Personal History Of Radio In Canada
Signing On: The Birth Of Radio In Canada
And Now... Here's Max: A Funny Kind Of Autobiography
The updated version of Max's book was released in December, 2009. This link is the publisher's page, which gives several places to buy, along with a brief paragraph about the book.
If you're coming to this page from the calendar, you're probably looking for the books which Harold Russell wrote, Victory In My Hands, and The Best Years Of My Life. They're available from the U.S. Amazon site.