1. British officer Archibald Robertson’s journal entry for 22 Dec. describes the British troop movements of that date: “In the morning Sir William Howe with 24 Battalions cross’d the Schuylkill at Grey’s Ferry and took a Position from thence extending beyond Derby to cover the Waggons Foraging, also the small craft that loaded at Tinicum Island” (Lydenberg, Robertson Diaries description begins Harry Miller Lydenberg, ed. Archibald Robertson, Lieutenant-General Royal Engineers: His Diaries and Sketches in America, 1762–1780. New York, 1930. description ends , 162). According to Hessian officer Johann Ewald’s journal entry for the same date, the force included “three jäger companies with half of the mounted jägers, two battalions of light infantry, the English and Hessian grenadiers, several 6–pounders and howitzers, four troops of light dragoons, and the Anspach Brigade” (Ewald, Diary description begins Johann Ewald. Diary of the American War: A Hessian Journal. Translated and edited by Joseph P. Tustin. New Haven and London, 1979. description ends , 111).