For all emails from December 1, 2014 and March 31, 2017 between Mayor de Blasio and Mayor’s Office staff about “agents of the city” Jonathan Rosen, Nicholas Baldick, Bill Hyer, John Del Cecato, Patrick Gaspard and Joshua Gould – and all emails between Mayor de Blasio and Mayor’s Office staff and “agents of the city” Jonathan Rosen, Nicholas Baldick, Bill Hyer, John Del Cecato, Patrick Gaspard and Joshua Gould.