The phrase "a number of commentaries" is correct and usable in written English.
It can be used when referring to multiple commentaries on a particular subject or text.
Example: "In her research, she reviewed a number of commentaries on the historical context of the novel."
Alternatives: "several commentaries" or "various commentaries".
It was the latest in a number of commentaries by Schilling on social media that have drawn controversy.
Health is a big topic, and we've had the perspectives of five expert groups plus a number of commentaries.
A number of commentaries around clinical competency assessment have drawn on the health professional assessment literature, particularly in medicine.
Not listed are a number of commentaries that appeared in international scientific journals and newspapers highlighting various aspects of the research being carried on at UCMP.
There have already been a number of commentaries on the newly released minutes of the Federal Open Market Committee (the people who decide interest rate policy).
Over the past few weeks there have been a number of commentaries about Ronald Reagan's legacy, specifically about whether he exploited the white backlash against the civil rights movement.
The disk also includes Hebrew-only versions of a number of Talmudic commentaries.
Brahmana, any of a number of prose commentaries attached to the Vedas, the earliest writings of Hinduism, explaining their significance as used in ritual sacrifices and the symbolic import of the priests' actions.
Questions about the functions of, and interactions between, donor-funded HIV interventions and national health systems have been the subject of a number of expert commentaries, but comparatively few empirical research studies [ 9].
Questions about the impact of large donor-funded HIV interventions on low- and middle-income countries' health systems have been the subject of a number of expert commentaries, but comparatively few empirical research studies.
