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Edison, Thomas A., Daniel J. Weeks, Alexandra R. Rimer, Theresa M. Collins, Louis E. Carlat, and Paul Israel. The Papers of Thomas A. Edison: New Beginnings, January 1885–December 1887. Baltimore, Maryland: Project Muse, 2015.

Edison, Thomas A., et al. The Papers of Thomas A. Edison: New Beginnings, January 1885–December 1887. Project Muse, 2015.