Friedenthal, Richard, 1896-1979 (Personal Name)

His Der Eroberer, 1929.

His Karl Marx, c1981: t.p. (Richard Friedenthal) jkt. (b. 1896 in Munich; 1938 emigrated to England; d. 1979 in London)

Goethes Werke in zwei Bänden, 1962: title page verso (Herausgeber Richard Friedenthal)

Leonardo, 1986: title page (Richard Friedenthal)