ISBNs beginnend mit 978-3-604-xxxxx-xCarol Christian × Johnny Ring Carol ChristianHeuberger Verlag 1977 Great People of our Time Carol ChristianHeuberger Verlag More People of our Time Carol ChristianHeuberger Verlag Juan's Eyes Carol ChristianHeuberger Verlag Famous Women of the 20th Century Carol ChristianHeuberger Verlag 1982