Crossword Puzzle 'Butterfield 8' writer

Clue: 'Butterfield 8' writer

39th of 50 (NORTHDAKOTA with 11 letters)
39th V.P. (AGNEW with 5 letters)
America's 39th President (CARTER with 6 letters)
It equals 0.3937 inch (CENTIMETER with 10 letters)
39th president of the United States (JIMMYCARTER with 11 letters)
Super Bowl to be played in the year 3968, at the current rate (MMII with 4 letters)
Do a scathing impersonation of the 39th president? (MINCECARTER with 11 letters)
39th VP (AGNEW with 5 letters)
39th vice president (AGNEW with 5 letters)
Alma mater of the 39th Pres. (USNA with 4 letters)