WE'RE BACK! The NCSML reopens today! ACY ERMI Mon-Sat, 9:30 a.m. - 4 p.m. Sunday, 12 p.m. - 4 p.m. ncsml.org NATIONAL CZECH SLOVAK MUSEUM LIBRARY Smithsonian Affiliate WE'RE BACK! The NCSML reopens today! ACY ERMI Mon-Sat, 9:30 a.m. - 4 p.m. Sunday, 12 p.m. - 4 p.m. ncsml.org NATIONAL CZECH SLOVAK MUSEUM LIBRARY Smithsonian Affiliate