EscherMath:Copyrights
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This work © 2006-2024 Anneke Bart and Bryan Clair. Others may use these materials in the classroom without asking for permission. If materials are used in the classroom or for other educational purposes, we would appreciate a link to our page from your website.
Many images in this work are free of copyright and are available at Wikimedia Commons. The image page for these images will contain the appropriate link.
All M.C. Escher works © Cordon Art BV - Baarn - the Netherlands. All M.C. Escher works (c) 2024 The M.C. Escher Company - the Netherlands. All rights reserved. Used by permission. www.mcescher.com
