4: Birth certificate notation
5: El ___ (legendary city of gold)
23: 'Peace, Bread and Land' movement
24: 'Trivial Pursuit' edition
31: Manner of performance
44: 'I'm better than you' sort
49: Pitt of 'Ocean's Twelve'
50: Extinct flightless bird
51: Baby's favorite art movement?
53: Without expending much energy
56: Block passage through