"Great Britain." . . . . . . . . . . "We live in two worlds the GPO Film Unit Collection vol. 2"@en . . "We live in two worlds the GPO Film Unit Collection vol. 2" . . . . "We live in two worlds : the GPO Film Unit Collection vol. 2" . . . "GPO Film Unit Collection" . . . . . . . . . . . . . . "\"This, the second of three volumes, covers the period 1936-1938 and represents the GPO Film Unit at its creative height - including much-loved classics such as Night Mail, the experimental animations of Len Lye and Norman McLaren, and Harry Watt's first forays into drama documentary with The saving of Bill Blewitt and North Sea, as well as other neglected works, many of which will be available for the first time since their original release\" -- Container."@en . "\"This, the second of three volumes, covers the period 1936-1938 and represents the GPO Film Unit at its creative height - including much-loved classics such as Night Mail, the experimental animations of Len Lye and Norman McLaren, and Harry Watt's first forays into drama documentary with The saving of Bill Blewitt and North Sea, as well as other neglected works, many of which will be available for the first time since their original release\" -- Container." . . . . . "Short films." . . "British Film Institute," . . "Kurzfilm." . . "Großbritannien." . . "Great Britain. Post Office. Film Unit." . .