| Description | Encloses three reviews and an article for Science Progress. He is writing an account of Ross' mathematical papers in Science Progress for publication in the "Jahrbuch after the war", and that he will send it to Ross when he has got it typed. He also would like to work out the relation of Ross' theory to the Calculus of functions and asks if he should suggest to the editor of a Dutch periodical that he should review Science Progress. He also asks for some books for review. |