A 1974 American folklore stamp featured the Headless Horseman and Ichabod Crane from which tale?

Which president, an amateur pianist, often entertained White House guests in the 1940s? Which word means both an amateur radio operator and a cut of pork? "An American Daughter" by which playwright of "The Heidi Chronicles" opened on Broadway in 1997? Which 1985 Larry McMurtry epic follows a cattle drive from Texas to Montana? An American hero for his ride on April 18, 1775, who was accused of cowardice in 1779 but cleared by a court-martial? Which American matriarch's nine children included Joseph Jr., born in 1915, and Edward, born in 1932? Which hyphenated term describes a lazy, worthless idler? An American teenager given a controversial caning in May 1994 was allowed to leave which country in June?