The phrase "a documentary workshop" is correct and usable in written English.
You can use it when referring to a session or course focused on the creation or study of documentaries.
Example: "I attended a documentary workshop last weekend, where we learned about storytelling techniques and filming methods."
Alternatives: "a documentary course" or "a documentary seminar".
I took an extraordinary documentary workshop in Mississippi, which led to finding out more about Williams's childhood there.
Stephen Ferry was teaching a documentary photography workshop in Cartagena when he saw an image that revealed how very little he knew about violence in Colombia.
Beyond the local multiplex, the Cinema Arts Center is devoted to independent film and talks by filmmakers, as well as an Academy Awards party on Sunday and, in March, a documentary production workshop.
An intensive documentary workshop in which second year Journalism students develop and produce their Masters projects.
Seriousness of purpose is brought low by the banana peel of slipshod craft in "War on Whistleblowers: Free Press and the National Security State," the latest film from Robert Greenwald and his busy documentary workshop, Brave New Foundation.
At 3 30-5 00PM in 401 Warren, they also conducted a Documentary Film-making Workshop, which was co-sponsored by SRI-Rice and the Department of Communications at Cornell.
Events focusing on the African-American northward migration will include gospel singing, storytelling, a planetarium show, a documentary film, and a quiltmaking workshop.
As a scientist turned TV producer I've worked on numerous science programmes: Superhuman (fronted by Robert Winston, Scrapheap Challenge Robert Llewellynyn), Brainiac (Richard Hammond), The Garage for Discovery (a documentary set in a garage repair workshop run by men) and Top Trumps (Robert Llewellyn and Ashley Hames).
He shot a documentary about Joan Littlewood's improvisatory theatre workshops in Stratford.
In the framework of La Settimana della Biodiversità - taking place in Rome from 20 to 23 May 2010 - consisting in conferences, roundtables, workshops for schoolchildren, a documentary film festival, photo exhibitions, concerts and readings.
