Copy of report by [William George] Penney on a paper 'Representation algebra and internuclear vibrations' by A C Menzies and K Weissenberg Paper reference code: A.114 [Originally enclosed with RR/W/6/63] Highlights sections of the paper to be shortened. Refers to work by [Jenny E] Rosenthal and [G M] Murphy. Highlights a number of sections which require revision. Suggests reference to [Max] Born's book. [Not published]. [Received 18 November 1938] [July - November 1938]