Jaakkola, K. (Kaarle Kustaa), Jaakkola, M. (Maria), May, Karl
Lange, Kurt, May, Karl
May, Karl, Taggart, Marion Ames
May, Karl
May, Karl, Sluijters, Jan
May, Karl, Schoonover, James D. [Translator]
May, Karl
May, Karl
May, Karl, Olesch, Gunther [Translator]
May, Karl