"back to the work of" is correct and usable in written English.
You can use it to indicate something is related to or similar to a given subject. For example, "Let's get back to the work of creating a plan for the picnic."
All of this they trace back to the work of one man: Alfred Kinsey.
"There's clearly a design language there which hearkens back to the work of the German industrial designer Dieter Rams".
Weston's landscapes hark back to the work of 19th-century Western survey photographers, like Eadweard Muybridge and Carleton Watkins.
Mrs. Giff considered the news, shook off her concern and got back to the work of dissecting her craft.
Longstreth employs a method for arranging voices known as hocketing, which stretches back to the work of thirteenth-century French monks.
Bouvard and Pécuchet, tired of experimenting, were to go back to the work of transcribing and copying that they had done as clerks.
A major breakthrough in this subject occurred in 1981, although it goes back to the work of Poincaré in the 1880s.
"He looks forward in the days ahead to getting back to the work of his foundation," the statement said, "and to Haiti relief and recovery efforts".
Many arguments in support of the cornucopian position can be traced back to the work of American economist Julian Simon and American futurist Herman Kahn.
At the start of the show, which received a standing ovation, the graffiti lettering on hose harked back to the work of Stephen Sprouse in 2000, one of the early art collaborations with Mr. Jacobs.
In his impeccably researched book, Davies traces the history of the happiness industry back to the work of the utilitarian Jeremy Bentham, a British philosopher and social reformer who believed human actions should promote happiness for the greatest number.
