1. Meningiomas: Their Classification, Regional Behaviour, Life History and Surgical End Results.;Cushing,1938
2. Meningiomas.;Chou,1991
3. Pathology of Tumours of the Nervous System.;Russell,1989
4. Meningiomas.;Rachlin,1991
5. Primary Intramedullary Tumors of the Spinal Cord and Filum Terminale.;Sloof,1964