"renowned source" is a correct and usable phrase in written English.
It can be used whenever referring to a well-known, respected, or famous source of information or knowledge. Here is an example: According to a renowned source in the medical community, regular exercise is crucial for maintaining overall health and wellbeing.
Decades before Dean & DeLuca or Eataly, the Cellar at Macy's was a renowned source for condiments, imported cheeses, well-burnished breads, chocolates and fancy groceries.
Hailing from a renowned source, this rhodo has intense deep red color, spectacular luster and a gemmy transparency.
Mr. Moskowitz, 65, will not miss the old station for a moment, even though his store, a world-renowned source of Latin music, will have to move across the corridor to make way for a new elevator.
Butua was renowned as the source of gold for Arab and Portuguese traders.
Cash-strapped provincial premiers are starting to focus on medicine costs prompting fierce resistance from the drugs industry.South of the border, Canada is renowned as a source of cheap drugs on the internet.
For the black American patients, data from the cancer registries included in the SEER programme were used, a data source renowned for its high quality in all aspects of cancer registration.
Streptomycete bacteria are renowned as a prolific source of natural products with diverse biological activities.
The building is world renowned and a huge source of civic pride in Milwaukee.
This version of events is also supported by a rather less likely source — the renowned investigative journalist and feminist Lydia Cacho who has talked to Del Castillo and said that the only thing she can be accused of is being a bit naive.
With its omnipresent surveillance, the US Government also began aggressively targeting and prosecuting whistleblowers and other sources, putting renowned journalists and publishers worldwide, even mainstream media like Associated Press, directly or incidentally in their surveillance crosshairs.
The prolific Davies is renowned for "sexing up" literary source material when adapting for television.
