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What has the author Constantin Ritter written?
Constantin Ritter has written: 'Platon'
What has the author Markus Ritter written?
Markus Ritter has written: 'Computer und handlungsorientierter Unterricht'
What has the author Walter Ritter written?
Walter Ritter has written: 'Programmable Calculator S5-110A'
What has the author W RITTER written?
W RITTER has written: 'ANWENDUNGEN DER GRAPHISCHEN STATIK'
What has the author Irving Ritter written?
Irving Ritter has written: 'Makers of America' -- subject(s): Biography
What has the author Halsted Lockwood Ritter written?
Halsted Lockwood Ritter has written: 'Washington as a business man'
What has the author Alan Ritter written?
Alan Ritter has written: 'Anarchism' -- subject(s): Anarchism and anarchists
What has the author Horst Ritter written?
Horst Ritter has written: 'Humangenetik' -- subject(s): Human genetics
What has the author Carl Ritter written?
Carl Ritter has written: 'Comparative geography of Palestine and the Sinaitic Peninsula'
What has the author Lucy Elizabeth Ritter written?
Lucy Elizabeth Ritter has written: 'Lucy's twentieth century'
What has the author Erich Ritter written?
Erich Ritter has written: 'Understanding sharks' -- subject(s): Behavior, Sharks
What has the author Etienne A Ritter written?
Etienne A. Ritter has written: 'From prospect to mine' -- subject(s): Mining engineering
