DAR index abbreviations. Document each generation from the applicant to the ancestor. Illinois - DAR, Sr. Soc. I believe the closest Metrobus station is Farragut West station. You will have to walk several blocks from there, so dress comfortably, including comfortable shoes.
Members have free access to the library.
You can bring a laptop to the library, and there are electrical outlets available. I believe there is a snack bar on the premises, but no food or drink is allowed in the library. Bring the information on the families or individuals you wish to research. There is a large amount of books on surname lineages, as well as information on patriots in the American Revolution. I believe the library is closed on Federal holidays.