1. Some notes on wireless methods of investigating the electrical structure of the upper atmosphere—I;Appleton,1929
2. Some notes on wireless methods of investigating the electrical structure of the upper atmosphere—II;Appleton,1930
3. Local reflection of wireless waves from the upper atmosphere;Appleton;Nature, Lond.,1925
4. On some direct evidence for downward atmospheric reflection of electric rays;Appleton,1925
5. On wireless interference phenomena between ground waves and waves deviated by the upper atmosphere;Appleton,1926