What has the author Karl Hesselbacher written?

Answer 1

Karl Hesselbacher has written:

'Paul Gerhardt, sein Leben, seine Lieder'

'Der Wandsbeker Bote, Leben und Schaffen von Matthias Claudius'

'Ich danke Gott und freue mich'

Answer 2

Wolfgang Hatcher-Rosenbauer has written:

'Better vision naturally' -- subject(s): Visual training, Orthoptics

Answer 3

Karl Hesselbacher is not a well-known author or public figure, and there is limited information available about his works.