The phrase "a number of documentaries" is correct and usable in written English.
It can be used when referring to several documentaries without specifying an exact quantity.
Example: "The festival featured a number of documentaries that explored environmental issues."
Alternatives: "several documentaries" or "various documentaries".
He produced a number of documentaries in support of United Nations projects with focus on refugees and women issues.
The director, who has made a number of documentaries about prison life, filmed a number of scenes inside a Washington prison using its population as extras.
Kennedy wrote more than two dozen books on subjects ranging from maritime history to the royal family, as well as a number of documentaries, plays, and articles.
But as a filmmaker who has made a number of documentaries about technology and online activism, I can't say that Snowden's revelations came as a surprise.
Thomas C. Guy Jr., who has made a number of documentaries on black history topics, talked about a video documentary he is making about the Bordentown school.
Elsewhere, the festival includes a number of documentaries, among which is Live Forever, an exploration of the Britpop and Britart phenomena of the 1990s.
She has been a consultant and contributor to a number of documentary and public history projects, has an avid interest in the history of radio, television and film, and has served as documentary film juror for the NEH and at the Sundance Film Festival.
At Hampshire College, where, in 1969, he founded the film, photography and video program, he helped shape the careers of a number of documentary filmmakers, including Ken Burns, who has said that "the essential DNA" of all his films comes from still photography, a legacy of Mr. Liebling's teaching, though his influence on Mr. Burns was more profound.
The writer is an independent journalist and has produced and directed a number of documentary films on mining in India.
In contrast curator Yumi Goto presented the audience with the work of a number of documentary photographers, some of whom were presenting very challenging work.
The studio is the brainchild of Atlantic Productions, an Emmy- and BAFTA-winning English production company responsible for a number of documentary and educational programs, and its Emmy-award-winning visual effects and animation studio ZOO.
