1. Cerebral Cysts;Craing;J.A.M.A.,1934
2. Benign Cysts of the Brain;Drew;J. Neurosurg.,1948
3. Über die Pseudotumoren des Gehirns;Kroll;Dtsch. Zschr. Nervenheilk.,1950
4. A Study of Porencephaly;Laird;J. nerv. ment. Dis.,1938
5. Porencephaly;Lecount;Arch. Neurol. Psychiatr.,1925