A library in a villa in Herculaneum, buried by which volcano's eruption in A.D. 79, was found in the mid-1700s?

Which word sounds like a letter of the alphabet and means a former spouse? Which word means both a level of stability and an elevated flat surface? A libel trial is the focus of which "Exodus" author's 1970 novel "QB VII"? A library at the UN serves as a memorial to which secretary-general, killed in a 1961 plane crash? A library in which state capital includes a near-complete collection of Kansas newspapers since 1875? A library stands on the site of the University of Chicago's old Stagg Field. In 1939 the university dropped which sport… Which librettist was born in London on November 18, 1836? Which word means a light, sharp blow, as on a door or across the knuckles?