Publikationen
- Roosevelt. Amsterdam : Querido-Verl., 1938 / Ludwig, Emil
- Roosevelt. Amsterdam : Querido, 1938 / Ludwig, Emil
- Roosevelt. Oslo : Aschehoug, 1938 / Ludwig, Emil
- Roosevelt. London : Hamilton, 1939 / Ludwig, Emil
- Roosevelt. Paris : Flammarion, 1940 / Ludwig, Emil
- Roosevelt. New York : Garden City Publ. Co., 1941 / Ludwig, Emil
- Roosevelt. Akureyri : Bjarnarson, 1943 / Ludwig, Emil
- Ruzbelt. Athēnai : Ranos, 1945 / Ludwig, Emil
- Rǔzwelṭ. Tēl-Āvîv : Hôsāʾat S. Laynman, 1941 / Ludwig, Emil
- Schliemann. Leipzig : Zsolnay, 1932 / Ludwig, Emil
- Schliemann. Barcelona : Editorial Juventud, 1934 / Ludwig, Emil
- Schliemann. Pôrto Alegre : Livraria do Globo, 1940 / Ludwig, Emil
- Stalin. New York : Putnam, 1942 / Ludwig, Emil
- Stalin. Rio de Janeiro : Ed. Calvino, 1943 / Ludwig, Emil
- Stalin. Rio de Janeiro : Editorial Calvino, 1943 / Ludwig, Emil
- Stalin. Roma : Vega, 1944 / Ludwig, Emil
- Stalin. İstanbul : Hilmi Kitabevi, 1945 / Ludwig, Emil
- Stalin. Zürich : Posen, 1945 / Ludwig, Emil
- Stalin. Zürich : Posen, 1945 / Ludwig, Emil
- Stalin o el milagro ruso. Buenos Aires : Editora Inter Americana, 1942 / Ludwig, Emil
- Staline. New York, NY : Ed. de La Maison Française, 1942 / Ludwig, Emil
- Staline. Paris : Éditions des Deux Rives, 1945 / Ludwig, Emil
- Symphonie. / Ludwig, Emil
- Talks with Mussolini. London : Allen & Unwin, 1933 / Ludwig, Emil
- Talks with Mussolini. Boston : Little, Brown, and Co., 1933 / Ludwig, Emil
- The Davos murder. London : Methuen, 1937 / Ludwig, Emil
- The Germans. Boston : Little, Brown and Co., 1941 / Ludwig, Emil
- The Germans. London : Hamilton, 1942 / Ludwig, Emil
- The Mediterranean. New York {[u.a.] : Whittlesey House, 1942 / Ludwig, Emil
- The Mediterranean. London : Whittlesey House, 1942 / Ludwig, Emil
- The Mediterranean. London : Hamilton, 1943 / Ludwig, Emil
- The moral conquest of Germany. Garden City, New York : Doubleday, Doran and Co., 1945 / Ludwig, Emil
- The Nile. / Ludwig, Emil
- The Nile. New York : Viking Pr., 1937 / Ludwig, Emil
- The Nile. New York : Viking Pr., 1937 / Ludwig, Emil
- The Nile. New York : Garden City Publ. Co., 1939 / Ludwig, Emil
- The Nile. London : Allen & Unwin, 1940 / Ludwig, Emil
- The Nile. New York : Garden City Publ. Co., 1943 / Ludwig, Emil
- The Nile. [S.l.] : [s.n.] , 1945 / Ludwig, Emil
- The son of man. N. Y. : Garden City Publ. Co., 1928 / Ludwig, Emil
- The son of man. New York : Liveright, 1945 / Ludwig, Emil
- Three portraits. [New York] : Alliance Book Corporation, 1940 / Ludwig, Emil
- Three Portraits. Toronto : Alliance Book Corporation, 1940 / Ludwig, Emil
- Three titans. New York : Blue Ribbon Books, 1935 / Ludwig, Emil
- Three titans. New York, NY : Modern Age Books, 1938 / Ludwig, Emil
- Tom und Sylvester. Berlin : Rowohlt, 1928 / Ludwig, Emil
- Tom und Sylvester. Stuttgart : Rascher, 1933 / Ludwig, Emil
- Tommy in Weimar. Moscia : [E. Ludwig], 1940 / Ludwig, Emil
- Tres dictadores y ... un cuarto. Buenos Aires : Ed. Losada, 1939 / Ludwig, Emil
- Tres titanes. Barcelona : Juventud, 1943 / Ludwig, Emil