'main newspaper' is correct and can be used in written English.
For example, "The main newspaper in town is the Easton Gazette."
The Montgomery Advertiser, the capital's main newspaper, called Mr James "a public embarrassment".
The main newspaper, the Montserrat Reporter is published weekly; its online edition is updated more frequently.
BAHRAIN The authorities deported two journalists working for the opposition's main newspaper, The Associated Press reported.
With Saddam's backing, he later became editor of the Ba'ath party's main newspaper, al-Thawra.
What's the main newspaper called now, I ask Natalia at one point.
Her grandmother was a reporter for the government's main newspaper, People's Daily.
There has been speculation that the main newspaper operation has several potential buyers.
For the past few weeks it has been running a twice-weekly "Bay Area report" inside the main newspaper.
In 1973 the National Assembly approved a one-party constitution, and in 1975 UNIP took over Zambia's main newspaper.
The main newspaper of North Korea's ruling party, Rodong Sinmun, recently gave the North's own explanation for its actions.
"Welcome to the new Kenya, sir," wrote Lucy Oriang, a columnist for The Daily Nation, Kenya's main newspaper.
