191. Free Library of Philadelphia, Lewis T178 Title: Ethical treatise Place: undetermined Date: 1000-1500
192. Free Library of Philadelphia, Lewis T179 Title: Tractatus de causis Place: undetermined Date: 1000-1500
193. Free Library of Philadelphia, Lewis T180 Title: Scholastic philosophical treatise Place: undetermined Date: 1000-1500
195. Free Library of Philadelphia, Lewis T188 Title: De remediis utriusque fortunae Place: undetermined Date: 1000-1500
196. Free Library of Philadelphia, Lewis T189 Title: De remediis utriusque fortunae Place: undetermined Date: 1000-1500
197. Free Library of Philadelphia, Lewis T200 Title: Grammatical text Place: undetermined Date: 1000-1500
198. Free Library of Philadelphia, Lewis T201 Title: Treatise on grammar Place: undetermined Date: 1000-1500
199. Free Library of Philadelphia, Lewis T202 Title: Treatise on grammar Place: undetermined Date: 1000-1500
200. Free Library of Philadelphia, Lewis T203 Title: Treatise on words Place: undetermined Date: 1000-1500