1. Fatale subarachnoidale blødninger hos gravide;Christensen;U.f.L.,1953
2. The Staining Reactions of Chordomas;Crawford;J. clin. Path.,1958
3. Chordoma;Dahlin;Cancer,1952
4. Profuse Subarachnoid Hemorrhage Caused by Cerebral Glioma;Echols;J. Neurosurg.,1950