How do I see what I am currently subscribed to?
I'm using Firefox for the below screenshots, but it looks the same in Steam's browser/view, too. First go to your "Community" page and find the "View Workshop files" link on the right side:
Then on the workshop files page, click the "Subscribed Items" tab on the right side:
You should also be able to get to it by using the "Workshop" link at the top of the page and then finding the "Your workshop files" link towards the right side of that page (it should have your avatar next to it).
how to: through steam client window
then this picture