The phrase "a time when publications" is correct and usable in written English.
It can be used to refer to a specific period in which various publications were produced or relevant to a particular topic.
Example: "The 1960s was a time when publications on civil rights gained significant attention and influence."
Alternatives: "an era in which publications" or "a period during which publications".
Perhaps surprisingly, she decided to launch an online magazine at a time when many publications were going out of print, or struggling to make money on a digital platform.
The Mirror flourished at a time when many publications were discontinuing.
And, at a time when news publications refused to take female journalists seriously, she held women's only press conferences that would force news outlets to hire women.
Bill Jones, a prominent celebrity photographer who chronicled the rise of black Hollywood at a time when mainstream publications often overlooked black entertainers, has died.
At a time when major publications like the Wall Street Journal are reporting on bias in Google search, and the New York Times is reporting on the dangers that may be created through Google's misrepresentation of search results, perhaps the power of a monopoly search engine provider should be reexamined.
Later, at a time when his publication of the "Protocols" was bringing him great attention, the new pope, Pius XI, honored him with a private audience.
This was a time when the publication of an anthology launched under the council's auspices was hardly calculated to produce favour- able reviews, however illustrious the editor.
At a time when our publication was barely profitable, Klein was one of our most generous and lavish advertisers.
At a time when many print publications have disappeared, the readers and employees of Time, Inc., can expect that Pecker, with his disciplined regimen of cost-cutting, usually in the form of layoffs, would keep the company's venerable titles alive.
