World famous as "the president's guesthouse", it's actually 4 interconnected townhouses with 110 rooms
[DOC] [TLE] Capital Houses 1735--1965 (extract) by Acanthus Press LLC - issuu [PAR] Oct 9, 2015 ... DC_Jacket_r7_DC_Jacket_r7.qxd 7/11/15 4:33 PM Page 1 ... Capital houses : 
historic residences of Washington, D.C. and its environs, .... the government 
purchased Blair House for the president's guesthouse (see Chapter 2).