| Description | Drafts for papers written in collaboration with B F Cain, entitled 'Synthesis of flavylium salts of the peltogynidin series' and 'The structure of cyanomaclurin' [these are and not listed in Robinson's bibliography]. Also includes three letters from B F Cain in 1956, and a note on flavylium salt inscribed 'Delhi Thesis - K R Laumas, August 1958'. |