Beside the books he wrote under his own name, Jesper Ewald wrote many children's books under different pseudonyms. He also translated works by
Honoré de Balzac and
Rudyard Kipling.
Bibliography
The provident Dane's trip in Paris (Den sparsommelige Danskers Pariserfærd) (1921)
The little (Den lille) (1926)
The young one (Ungen) (1939)
Fairytales in Selection (Eventyr i Udvalg) (1941)
The twins: A beautiful birthday (Tvillingerne: en dejlig Fødselsdag) (1941)
Hansen & Son (Hansen & Søn) (1942)
The War of Proxima (Krigen over Proxima) (1943)
S. Seidelin: 1843 - 10th of October 1943: A brief history of a Danish tradinghouse: History through 100 years. (S. Seidelin : 1843 - 10. Oktober - 1943 : Træk af et Dansk Handelshus' Historie gennem hundrede Aar) (1943)
Gråpeter (1943)
Lundquist and Elvira and other stories (Lundquist og Elvira og andre historier) (1944)
The Green Years (De grønne år) (1945)
On a hunt in Copenhagen (Paa Jagt i København) (1945)