Hi everyone!

I'm new to World of Darkness but deep diving in. I have a few questions...

1. Is there a way to know if a source book is an original or a print on demand?

2. Is there an easy way to know which edition the source book is for when looking at the front cover? I'm mostly interested in V20 (4th edition) and Revised (3rd edition)

3. Is there a full list of all existing V20 Deluxe editions?