Crossword puzzle clue "six richard nixon's first book"

"Six ___" (Richard Nixon's first book)

Welsh actor who played American president Richard Nixon in "Nixon": 2 wds.

First name of Richard Nixon's wife

Campaign about which Rumsfeld said in 2003 "it could last six days, six weeks - I doubt six months"

He played Nixon in "Nixon"

Player of Pat Nixon in "Nixon"

Nixon portrayer in Ron Howard's "Frost/Nixon"

Nixon, in John Adams' "Nixon in China"