books.google.comhttp://books.google.com/books/about/Old_Family_Letters_contains_letters_of_J.html?id=84oTAQAAMAAJ&utm_source=gb-gplus-shareOld Family Letters: contains letters of John Adams, all but the first two addressed to Dr. Benjamin Rush; one letter from Samuel Adams, one from John Quincy Adams, and several from Thomas Jefferson addressed to Dr. Rush; "Letter of credence to the king" and "Letter of credence to the queen" by George Washington as president. Series B contains letters of Dr. Benjamin Rush to his wife written during the yellow fever epidemic in Philadelphia, in 1793
