The phrase "a sort of paper" is correct and usable in written English.
It can be used when describing a type or category of paper, often implying that it is not a specific or traditional kind.
Example: "The artist used a sort of paper that had a unique texture, perfect for her mixed media project."
Alternatives: "a type of paper" or "a kind of paper".
Une Beauté Romaine by William Adolphe Bouguereau, one of the masters of Academic style, is hanging next to Course de Chevaux, a sort of paper chase drawn by Marcel Duchamp.
In a story a few days ago, the Times described how census takers carry a Language Identification Flashcard, which they hand to people when they don't understand each other — a sort of paper Tricorder.
It can now be used for card making or for turning into any sort of paper craft item you'd like to make.
The New York Times reviewer Michiko Kakutani, famously hard to please, praised your book to the heavens but took issue with the sections dealing with Warren, who she said felt "oddly fuzzy and abstract" and "emerges in this volume as a sort of handsome paper doll".
"On the other hand, he's saying that Britain's membership of Europe is a sort-of blank sheet of paper, which has to be completely renegotiated, and if Britain doesn't get what it wants then we're leaving and heading out through the exit door.
The idea was a sort of next-generation paper notebook, stylus and all.
We enter the hubbub of the school dance, for instance, through a sort of hanging garden of paper roses.
The paper is a sort-of mouthpiece for the Jobbik party, which is rooted in a philosophy called Turanism a Central Asian nationalist movement that's centered around Hungarians possessing a specific racial lineage that includes Jesus Christ.
The visitor is invited to sew or embroider any desired object onto the fabric, and one sees photographs, calling cards, written messages and all sorts of paper and cloth symbolisms stitched carefully into place.
Ben was all hunched over him yelling in glorious slow mo, and just dumping out all sorts of paper and water bottles and other refuse.
"I have always doodled on all sorts of paper and in sketchbooks," Swedish World Tour participant Pär Boström explained in an interview in the book, "But with the Sketchbook Project I tried to create a story, make something more solid.
