You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: THE SUPREME COURT 
Clue: These 2 justices who graduated at the top of their classes were both first offered jobs as typists by the top law firms
ruth bader ginsburg & sandra day o\'connor

Category: AMERICANISMS 
Clue: Around 1900 Monroe Rosenfeld remarked that the music heard along NYC's 28th Street sounded like this
tin pans

Category: LIBRARIES 
Clue: The millionth visitor to this library received a signed copy of "My Turn", some jelly beans & a weekend getaway

the ronald reagan presidential library