3521. Science History Institute, MS 13 Title: Praeparatio mercurii ad lapidem per regulam et lunam Author: Isaac Newton Place: England Date: between 1670-1678].
3522. Science History Institute, MS 3 Title: Pretiosa margarita novella Author: Petrus Bonus Place: Spain Date: between 1450-1480].
3523. Science History Institute, MS 1 Title: Recipes and extracts on alchemy, medicine, metal-working, cosmetics, veterinary science, agriculture, wine-making, and other subjects Place: Italy Date: between 1425-1450].
3524. Science History Institute, MS 5 Title: Testamentum Author: Pseudo-Llull Place: England Date: between 1446-1475].
3525. Western Michigan University, WMU MS 119 Title: Breviary Author: Catholic Church Place: Italy Date: between 1450 and 1499
3527. Western Michigan University, WMU MS 142 Title: Legal dispute Author: Abbaye de Cambron Place: Hainaut, Province de Date: 1330?
3529. Western Michigan University, Newberry / WMU MS 3 Title: Antiphonary Author: Catholic Church Place: undetermined Date: 1500?
3530. Western Michigan University, Newberry / WMU MS 1 Title: Processional Author: Catholic Church Date: ca. 1250].