(Sarah of the Clue Crew reads from a printing press at the Bureau of Engraving and Printing in Washington, D.C.)  The color of the first ink used in printing $1 bills & the part of the sheet it goes on gives us this word that dates from 1862
[DOC] [TLE] American Biography, the History of Books, and the Market for ... [PAR] understood the role of the printed book in fostering cultural nationalism.