Central Park - John Dorish & Sumi-e Ann White

I found these at one of the places I shop, a thrift shop. They are prints, signed and numbered. The Central Park is a John Dorish, 1987 Hand colored. I have his website and hope that he will advise on history so I can add that to the items.

The other piece was also found at that same place, it is a local Sarasota Sumi-e artist, Ann M. White. I am also attempting to find out more on this one also. BUT the emails at the Sumi-e Society is not working, GRR.

So they will adorn my walls and I hope to find out more on them. Any suggestions as to how to find some information, Any Who is who in Art?

thanks