Smith, G. B. (1909). How to succeed as an inventor: Showing the wonderful possibilities in the field of invention : the dangers to be avoided : the inventions needed : how to perfect and develop new ideas to the money making stage. Philadelphia: Inventors and Investors Corp..

Smith, Goodwin Brooke. How to Succeed As an Inventor: Showing the Wonderful Possibilities in the Field of Invention : The Dangers to Be Avoided : The Inventions Needed : How to Perfect and Develop New Ideas to the Money Making Stage. Philadelphia: Inventors and Investors Corp., 1909.

Smith, Goodwin Brooke. How to Succeed As an Inventor: Showing the Wonderful Possibilities in the Field of Invention : The Dangers to Be Avoided : The Inventions Needed : How to Perfect and Develop New Ideas to the Money Making Stage. Philadelphia: Inventors and Investors Corp., 1909.