And with Frank on the move so much of the time, shuttling between . . . offices and factories in Europe and Asia and South America, it made sense for her to establish some kind of pied-a-terre in New York.
-- Amanda Vaill, Everybody Was So Young
. . .gentlemen with estates in the country who wished to have a pied-a-terre in town.
-- Michael Ignatieff, Isaiah Berlin: A Life
