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2. Cyhoeddwyd

   Lifting the Flap: Anatomical pop-up books, introduced in the 16th century, took anatomy out of the lecture hall and into the home.

   Killacky, M., 7 Gorff 2022, Yn: History Today. 72, 7

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl