Hi Carman,
Nice to see you here, and welcome!
Ref the PPCLI, you have to start by getting a copy of ONCE A PATRICIA, by C. Sydney Frost. It will tell you much of what you wish to know. Try ABE Books at
http://dogbert.abebooks.com/abe/IList ... I just did a quick search and found 27 copies available in various places in Canada, the USA and the UK.
We'd consider ourselves privileged if you were to tell us a bit more of what you know about your father's service.
Geoff Winnington-Ball
MAPLE LEAF UP