Bibliography : Pearl-oyster

Michael J. Curley Physiologus
Georges Cuvier; Theodore Wells Pietsch, ed.; Abby J. Simpson, trans. Cuvier’s History of the Natural Sciences
Florence McCulloch Mermecolion - A Medieval Latin Word for 'Pearl Oyster'
Martha Hale Shackford Legends and Satires from Medieval Literature
R. Allen Shoaf The Pearl
Leo Wiener Contribution Towards a History of Arabico-Gothic Culture, Volume IV: Physiologus Studies