title: Two little known copies of Black's lecture notes.
authors.forename: D R
authors.initials: DR
authors.lastname: Oldroyd
mesh_terms: D001671:Biochemistry / Q000266:history*; D002621:Chemistry / Q000266:history*; D049711:History, Modern 1601-; D007990:Libraries / Q000266:history*; D006113:United Kingdom