Edison, T. A., Jeffrey, T. E., Andrews, M., Nier, K. A., Rosenberg, R. A., Butrica, A. J., . . . Jenkins, R. V. (1989). The Papers of Thomas A. Edison: The Making of an Inventor, February 1847-June 1873. The Johns Hopkins University Press.

Edison, Thomas A., et al. The Papers of Thomas A. Edison: The Making of an Inventor, February 1847-June 1873. Baltimore: The Johns Hopkins University Press, 1989.

Edison, Thomas A., et al. The Papers of Thomas A. Edison: The Making of an Inventor, February 1847-June 1873. The Johns Hopkins University Press, 1989.