Comme sujet : 2 ouvrage(s)
- An exhibition of mechanical aids to learning : including television, 'talkies', broadcasting, films, lanterns, Epidiascopes, Gramophones, etc. : London School of Economics from September 4th to 6th, 1930 / The British Institute of Adult Education. - London : The British Institute of Adult Education, 1930
- Will Day's wireless section / Will Day, Ltd.. - London : Will Day, Ltd., [s.d.]