Carl Duisberg

• German as a foreign language
  • Face-to-face Courses
    • Open German Courses
    • Personalized German Course
    • Group Training Courses
  • Online Courses
  • German University Preparation Programs
  • Publicly funded German courses
• Foreign Language Courses
  • Face-to-face Courses
  • Online Courses
  • Language Courses Abroad
• Language Exams
  • German Exams - TestDaF
  • German Exams - telc German
    • telc German - FAQ
  • German Exams - WiDaF
  • German Exams - PWD
  • English Exams - IELTS
  • English Exams - TOEIC
  • Examination Preparation
    • telc German
    • TestDaF
    • IELTS
    • Further Language Exams
  • Language Exam Booking
• Locations
  • Berlin
    • City and Local Area
    • Accommodation
    • Activities and Sports
    • Video
    • Contact
  • Cologne
    • City and Local Area
    • Accommodation
    • Activities and Sports
    • Contact
  • Marburg
    • City and Local Area
    • Accommodation
    • Activities and Sports
    • Contact
  • Munich
    • City and Local Area
    • Accommodation
    • Activities and Sports
    • Video
    • Contact
  • Radolfzell on Lake Constance
    • City and Local Area
    • Accommodation
    • Activities and Sports
    • Video
    • Contact
  • Saarbrücken
    • Contact
  • Beijing/China
  • Mexico
• Our Clients
  • Institutions
  • Companies
  • School Classes and Groups
  • Private Customers
  • Agencies
• General Information
  • Company
    • History
    • Quality Management
    • Executive Management
    • General Terms and Conditions In-Person Courses
    • General Terms and Conditions Online Language Courses
    • Legal Notice
    • Data Protection Policy
  • Contact
    • International Agencies
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• Booking