Sachtleben, H. (1957) „Entomologische Chronik (Prof. Dr. Hermann Weber, Prof. Dr. Karl Henke, Ernst Pfeiffer, Dr. Egon Galvagni, Austin Hobart Clark, Dr. Edward Alfred Cockayne, Brigadier William Harry Evans)“., Beiträge zur Entomologie = Contributions to Entomology, 7(1-2), S. 197–201. doi: 10.21248/contrib.entomol.7.1-2.197-201.