By Sheila AshThe National Society of the Sons of the American Revolution (NSSAR) is moving its Louisville headquarters from South Fourth Street to West Main Street.The first phase, now completed, is the Genealogical Research Library. The library contains documents and artifacts pertaining to families who participated in the American Revolution.Joe Harris, Executive Director, says the library has more than 23,000 books."People give us these family histories for the public’s use. And that’s what we have here. This is basically it’s an SAR research library for genealogy purposes, but it’s open to the public and we would encourage the public to come here and research their roots," he said. Also within the library is the Mary and James S. Craik Special Collections Room, which houses several historic items, including the Dr. James Craik Miniature Portrait. Craik was the personal physician to General George Washington.The library is open Monday through Friday from 9:30 am to 4:30 pm. Admission is five dollars for non-members.