Suggestions and Comments
An important item is missing from the library holdings? Please send your suggestion. Any other ideas or comments? Send us your e-mail.
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We offer help with information about electronic or manual reference tools, the use and technical support of our digital library (e.g. catalogues, databases, E-Journals), bibliographical and biographical references, facts and data.
Questions concerning your user account
Any questions concerning your HEIDI user account? Send an e-mail to our Lending Services.