The phrase "a documentary of a" is correct and usable in written English.
It can be used when referring to a documentary that focuses on a specific subject or theme.
Example: "The film is a documentary of a groundbreaking scientific discovery that changed the world."
Alternatives: "a documentary about a" or "a documentary on a".
It is a documentary of a stunning performance.
One is a documentary of a live event; the other is essentially a movie, nothing more.
He explained, "When you watch a documentary of a praying mantis eating the head of its mate, because of the complexity of the mouth mechanism, you're fascinated.
It is a "documentary" of a different sort, but one that promotes the same ideas as the video featuring Litvinenko senior.
"This Is Not That Dawn" — which, in the original Hindi, was titled "Jootha Sach," or "False Truth" — has the feel of a documentary, of a work concerned with getting social details right in order to illuminate dark and complicated subjects.
Although lacking real impact, his career during this period was diverse, covering historical feature films, a documentary of a Hungarian rock group, a Faustian television series and much work in the theatre.
Instead he's planning to a documentary of an 85-year-old piano maestro, Seymour Bernstein, who he met over dinner one evening.
The absurd fantasy that Anderson offers up plays like a documentary of an extreme state of mind — and turns it into a stereotype which, in being represented with such efficacy, propagates itself.
The book is a documentary of an alternative school in England in the 1960's.
Here they have put him through a series of spectacular aerial fights (which are just so much obvious acrobatics) and have made him a statuesque hero.The nature of the picture is fictional, and whatever significance it might have had as a documentary of A. V. G. action has been carelessly kicked away.
Didion's nephew, Griffin Dunne, launched a successful Kickstarter campaign for a documentary of Didion's life.
