The phrase "that concerns itself with" is a perfectly valid part of a sentence in written English.
It is commonly used to indicate that a particular subject is the focus of discussion or a particular area of interest. For example: "The report focuses on the issues that concern itself with the economic growth of the region."
Alfred Jensen's paintings of numbers are a precursor to much recent art that concerns itself with numerals and letters.
There is a love that concerns itself with the tides inside the body, with organs and arteries (and the fact that alcohol and sublingual morphine don't exactly mix).
Docomomo, an international architectural conservation group that concerns itself with modern buildings, hopes to win city landmark designation for the pavilion.
When the term fancy is treated as a synonym of conceit, it is defined as the conceiving power that concerns itself with imagery, such as figures of speech and details of a decorative design.
GALLERIES — BROOKLYN "INTELLIGENT DESIGN" When the nineties and the aughts get into history books, at least a sidebar will be devoted to "systems" art — the mostly abstract, faintly cartoonish work in any medium that concerns itself with networks, rhizomes, simulacra, and circuits.
The following sentence, which appears on Page 80, is so inept that it may actually be an ancient curse and to read it more than three times aloud is to summon the cannibal undead: "Today's biggest enemy of lasting influence is the sector of both personal and corporate musing that concerns itself with the art of creating impressions without consulting the science of need ascertainment".
Ballardian space – what he called "inner space" to differentiate it from the science fiction that concerned itself with distant planets and space rockets – is in fact a fusion of inner and outer space.
Once again she took to her blog to respond, authoring a post that called for a "new wave" of atheism that concerned itself with feminism and social justice.
Officially, this picture is revered as the first example of a then-revolutionary style that became known as Italian neorealism, a moviemaking method that concerned itself with the lives of ordinary, often poor people by shooting on streets instead of in studios and using nonprofessionals instead of polished actors.
But it is a strange kind of public-health policy that concerns itself more with the provenance of illness than with its consequences; and the consequences of the flu, year in, year out, dwarf everything but the most alarmist bioterror scenarios.
The British, for example, have a very dry, witty sense of humor that concerns itself primarily with cultural matters, whereas Americans have more of a slapstick, physical humor that often involves issues of sex and race.
