Question: List of the REAL Sources of Vitamins/Mineral Supplements?

I was wondering if anyone has a list (Chime in any time Uny) on the sources of most vitamins and minerals. The REAL sources I should add. I know coal tar is often a source I think it was for the B-Vitamins amongst others. I was just wondering if anyone has a link to something with all this info or if anyone just happens to know where the majority originate from on a vitamin to vitamin basis.

I'm especially interested to find out where most supplemental vitamin C for example "Actually" comes from.