Cloud (image) Bielefeld University Caption The Bielefeld Graduate School BGHS hosts more than 200 graduates working on a broad range of dissertation topics from both history and sociology in an everyday climate of mutual inspiration and academic exchange. Credit Photo: Bielefeld University Usage Restrictions The image may only be used with appropriate caption or credit. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.