"copies of the article" is a correct and usable phrase in written English.
You could use it to refer to multiple copies of the same article. For example: "The library has copies of the article for anyone who would like to take one home."
But copies of the article circulated widely on the Internet and among intellectuals.
And can you please ensure that all our party leaders receive copies of the article?
Arianna Huffington told me her daughter showed up to Thanksgiving with underlined copies of the article.
Materials | Computers with Internet access; copies of the article "Too Much Shakespeare?
Even before the magazine was published, leaked copies of the article were circulating among journalists and around Washington.
Whenever college or professional athletes make news for negative reasons, Welsh makes 20 copies of the article and gives them to his players as a reminder.
The electronic publishers, however, are not merely selling "equipment"; they are selling copies of the articles.
In response to patron requests, an inhumanly speedy librarian would search the room and provide copies of the articles matching patron-specified criteria.
The publisher said all its published articles would be included in the open access archive PubMed and copies of the articles will be deposited in PubMed Central and other internationally recognised open access repositories.
Copies of the articles were obtained, and their bibliographies were searched manually for additional articles published in peer-reviewed journals.
Articles were included if they were in English language and if full copies of the articles could be obtained.
