G. Hansen

• El Film, desde el guión al estreno
• Sporttodesfälle
• Ärztliches Handeln--rechtliche Pflichten in der Deutschen Demokratischen Republik
• Big Coloring Book for Pampered Exceptionals Everywhere
• Cognitive Behavioral Therapy, You Can Use Without a Therapist
• Orchid Hybrids - Enumeration and Classification of All Hybrids of Orchids Published up to October 15 1895
• Professional training of the staff of broadcasting organisations