Neilson, W. D. (1912). Rules of the Supreme court of Pennsylvania, adopted July 6, 1911, in force September 4, 1911, amended November 3, 1911, and of the Superior court of Pennsylvania, adopted October 3, 1911, in force November 6, 1911, amended November 21, 1911. Philadelphia: Legal intelligencer.

Neilson, William Delaware. Rules of the Supreme Court of Pennsylvania, Adopted July 6, 1911, in Force September 4, 1911, Amended November 3, 1911, and of the Superior Court of Pennsylvania, Adopted October 3, 1911, in Force November 6, 1911, Amended November 21, 1911. Philadelphia: Legal intelligencer, 1912.

Neilson, William Delaware. Rules of the Supreme Court of Pennsylvania, Adopted July 6, 1911, in Force September 4, 1911, Amended November 3, 1911, and of the Superior Court of Pennsylvania, Adopted October 3, 1911, in Force November 6, 1911, Amended November 21, 1911. Philadelphia: Legal intelligencer, 1912.