The records books of the Lancaster Zouaves contains the Constitution, By-Laws, Rules of Order and membership rolls of the unit that became Company K of the 122nd Pennsylvania Infantry Regiment. It appears to have been kept by W.H.H. Cox (identified as secretary), though Cox's name does not appear on the muster rolls of the 122nd Pennsylvania. The book includes meeting minutes for the company's brief existence, records of the election of officers, details on the organization of the company, drills and parades, and other standard military matters. Of particular interest are the elaborate plans, expense accounts, and reports for the benefit ball held in April, 1862.