History of the battle of Crooked Billet, fought May 1, 1778

Author: Davis, W. W. H. 1820-1910.
Published 1860

The dark days of Valley Forge

Author: Darlington, J. Lacey.
Published 1878

Address at the inauguration of the Hatborough monument : commemorating the battle of the Crooked Billet, delivered in Loller academy, December 5, 1861

Author: Belville, Jacob.
Published 1862

Brigadier General John Lacey and the Pennsylvania militia in 1778

Author: Zanine, Louis J.