Wort, J. H. (1887). A complete hand-book of the monuments and indications and guide to the positions on the Gettysburg battlefield ([2nd ed.].). Harrisburg: R.M. Sturgeon & Co., publishers.

Wort, J. Howard. A Complete Hand-book of the Monuments and Indications and Guide to the Positions On the Gettysburg Battlefield. [2nd ed.]. Harrisburg: R.M. Sturgeon & Co., publishers, 1887.

Wort, J. Howard. A Complete Hand-book of the Monuments and Indications and Guide to the Positions On the Gettysburg Battlefield. [2nd ed.]. Harrisburg: R.M. Sturgeon & Co., publishers, 1887.