S. A. Potter

• Handbook of Payson, Dunton, & Scribner's national system of penmanship
• Penmanship explained, or, The principles of writing reduced to an exact science
• Potter & Hammond's analytical and progressive system of penmanship
• Potter & Hammond's synthetical, analytical and progressive system of business penmanship
• Potter & Hammond's system of book-keeping
• Potter & Hammond's system of book-keeping by double entry
• Potter & Hammond's system of penmanship
• Potter & Hammond's writing card : in two numbers
• Potter and Hammond's standard system of penmanship
• Potter and Hammond's system of business penmanship : in three series ... revised and improved 1865