Jacob Hiltzheimer, farmer and assemblyman, emigrated from Germany to Philadelphia in 1748 and lead a moderately active political and social life. He was a successful farmer and raised select livestock in the city of Philadelphia. He also boarded horses including those of John Penn and George Washington. He served in the Pennsylvania Assembly for 11 consecutive years beginning in 1786. He was an active contributor in civil affairs and took a remarkable enthusiastic interest in events, in persons, and in every day life all of which he wrote down in his diary. As a result of his Revolutionary War and political acquaintances his contacts were numerous. Hiltzheimer's record of social affairs are for the most part routine daily events such as buying and trading horses, attending barbecues and funerals, and drinking punch. However it is his every day accounts that also records significant events such as the Revolutionary War, transactions of the Pennsylvania Assembly, and Philadelphia's yellow fever epidemics, as well as the dealings of significant people including George Washington, Thomas Mifflin, and John Hancock.

Correspondence and an autobiographical sketch of the French and Indian War and Revolutionary War service of Samuel Miles. A native Pennsylvanian, Miles raised and commanded a regiment of riflemen, but was captured near Flatbush in August 1776, during the battle of Long Island. He was held as a prisoner of war in New York until his exchange in April 1778. Miles subsequently served as Mayor of Philadelphia and was a presidential elector in 1796.