Mercer, H. C. (1897). Tools of the nation maker: A descriptive catalogue of objects in the museum of the Historical Society of Bucks County, Penna. Doylestown, PA: Printed for the Society at the office of the Bucks County Intelligencer.

Mercer, Henry C. Tools of the Nation Maker: A Descriptive Catalogue of Objects in the Museum of the Historical Society of Bucks County, Penna. Doylestown, PA: Printed for the Society at the office of the Bucks County Intelligencer, 1897.

Mercer, Henry C. Tools of the Nation Maker: A Descriptive Catalogue of Objects in the Museum of the Historical Society of Bucks County, Penna. Doylestown, PA: Printed for the Society at the office of the Bucks County Intelligencer, 1897.