• Detail of a bas-de-page scene of two men with a bowl, and on either side, a sheep and a cow., Decretals of Gregory IX with glossa ordinaria (the 'Smithfield Decretals')

men with a bowl, and on either side, a sheepand a cow. Part I: the text and gloss written in Southern France, perhaps in Toulouse: lemmata underlined in yellow, with the decoration left unfinished.Catchwords and bifolium signatures; numerous corrections.Part

• Drawings of a ram and of a goat., Medical miscellany of a pharmacopeial compilation, including a herbal and bestiary illustrating the pharmocopeial properties of animals (see Notes)

by Robert Harley (b. 1661, d. 1724), 1st earl of Oxford and Mortimer, politician, and Edward Harley (b. 1689, d. 1741), 2nd earl of Oxford and Mortimer, book collector and patron of the arts. Edward Harley bequeathed the library to