File contains:
Flyer announcing the change of title, beginning with Volume 77 Part I January 1975, from Proceedings to Mathematical Proceedings [to emphasise the fact that Proceedings had become a journal of pure and applied mathematics], including notes concerning forthcoming issues, submitting papers for publication etc. Also sample cover of a copy of the newly titled publication, January 1975;
Stock form [1974?] sent out to solicit papers for Mathematical Proceedings.