Blackmail (1929) Donald Calthrop, closeup and to cameraBlackmail (1929) Donald Calthrop, John Longden and telephoneBlackmail (1929) Donald CalthropBlackmail (1929) Donald CalthropBlackmail (1929) Donald CalthropBlackmail (1929) Anny Ondra and Donald CalthropBlackmail (1929) Donald CalthropBlackmail (1929) Donald Calthrop and John LongdenBlackmail (1929) Donald Calthrop and John LongdenBlackmail (1929) British Museum, London and Donald CalthropNumber Seventeen (1932) Anne Grey, Donald Calthrop, John Stuart, camera above and stairsNumber Seventeen (1932) Donald Calthrop, John Stuart, Leon M. Lion and stairsNumber Seventeen (1932) Anne Grey, Donald Calthrop and John StuartNumber Seventeen (1932) Anne Grey and Donald CalthropNumber Seventeen (1932) Donald CalthropNumber Seventeen (1932) Donald CalthropNumber Seventeen (1932) Ann Casson and Donald CalthropNumber Seventeen (1932) Ann Casson and Donald CalthropNumber Seventeen (1932) Donald CalthropNumber Seventeen (1932) Donald CalthropNumber Seventeen (1932) Donald CalthropNumber Seventeen (1932) Donald CalthropNumber Seventeen (1932) Donald CalthropNumber Seventeen (1932) Donald Calthrop, camera above and stairsNumber Seventeen (1932) Donald Calthrop and railway