O'Keeffe was instrumental in the republication of Flann O'Brien's novel At Swim-Two-Birds in 1959 as well as the posthumous publication of O'Brien's The Third Policeman in 1967; had it not been for O'Keeffe's determined efforts, the books would largely be unknown today.
The Secret Policeman's Other Ball | The Third Policeman | The Secret Policeman's Balls | The Secret Policeman's Ball | Policeman Bluejay | Woes of the True Policeman | The Secret Policeman's Biggest Ball | The Secret Policeman's Balls#VII:The Secret Policeman’s Biggest Ball | The Secret Policeman's Ball 2008 | The Secret Policeman's Ball 2006 | The Policeman | Secret Policeman's Ball | Municipal policeman, ''Комунални полицијац'' of the city of Valjevo | Flow My Tears, the Policeman Said | Dennis O'Brien (policeman) |