This is a chart to show the publishing history of editions of works about this subject. Along the X axis is time, and on the y axis is the count of editions published. Click here to skip the chart.Reset chart or continue zooming in. This graph charts editions published on this subject.
![Triplanetary by E. D. Smith, Edward Elmer Smith, Frederick E. Smith, E. E. Smith, Edward E. Smith, “Doc” E.E. Smith, E. E. "Doc" Smith, E. E. Smith, E.E. "Doc Smith, Edward Elmer Smith, Edward "Doc" Smith, Edward Doc" Smith](http://covers.openlibrary.org/b/id/4627686-M.jpg "Triplanetary by E. D. Smith, Edward Elmer Smith, Frederick E. Smith, E. E. Smith, Edward E. Smith, “Doc” E.E. Smith, E. E. "Doc" Smith, E. E. Smith, E.E. \"Doc Smith, Edward Elmer Smith, Edward \"Doc\" Smith, Edward Doc\" Smith")
