1 Table of Contents: “...History -- History of Surgical Treatment of Herniated Lumbar Discs -- Anatomy -- Anatomy...”

2 “... and touching episode of German history that took place on November 9, 1989, had we dared to hope that a dream...”

3 Table of Contents: “... for Diagnosis and Location of Posterior Fossa Tumors in Childhood -- Diagnostic Methods, Length of History...”

4 Table of Contents: “... of Carotid Ligation on Cerebral Aneurysmal Size and on Aneurysmal Production in Man -- The Natural History...”

5 Table of Contents: “... with the Halo-fixateur -- The Natural History of Unstable Traumatic Injuries of the Cervical Spine...”