DuVernay, Marczak and Greaves lead IDFA Signed lineup

Ava DuVernay's 14th, Michał Marczak's Closure and David Greaves's Once Upon a Time in Harlem will play in Signed at the 39th IDFA in Amsterdam on 12-22 November, according to Deadline. Shorts They're Here by Laura Poitras and Rachel Lauren Mueller and The Revolution Against Death by Joshua Oppenheimer also join the strand, Deadline reported.