Three centuries of English crops yields


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When and how to cite the Medieval Crop Yields Database
© Bruce M. S. Campbell 2007

There is no charge for using either the Database or the Chronologies, nor is there a requirement to seek copyright permission in order to do so (although copyright in both is held by Bruce M. S. Campbell).  The only condition upon the use of these resources by others in printed, electronic, or any other form — both published and unpublished — is that explicit acknowledgement is made of them using the following format of citation:

Bruce M. S. Campbell (2007), Three centuries of English crops yields, 1211‑1491 [WWW document]. URL [accessed on day/month/year]