Columbia subject headings:
Franklin, Benjamin, 1706-1790.
Newton, Isaac, 1642-1727.
Physics--History.
Harvard subject headings:
Franklin, Benjamin, 1706-1790
Newton, Isaac, 1642-1727
Physics--History.
Princeton subject headings:
Franklin, Benjamin, 1706-1790.
Newton, Isaac, 1642-1727.
Physics--History.