The phrase "acknowledged previously by" is correct and usable in written English.
You can use it when referring to something that has been recognized or accepted by someone in the past.
Example: "The findings in this report were acknowledged previously by the committee during their last meeting."
Alternatives: "recognized earlier by" or "noted before by".
Some of the details in the report have been acknowledged previously by the White House, including its reference to possible hijackings.
The concept was integrated in the 'diffusion of innovation' theory [44], as acknowledged previously by Software Engineering scholars [45, 46], "one of the most distinctive problems in the diffusion of innovations is that the participants are usually quite heterophilous" [44].
After transmission of recurrent data burst, the multicast sender prepares multicast packets for the next burst transmission, including both new packets and packets not acknowledged previously by all ACK-leaders and which life time is not expired.
The total is more than the 65 pounds that North Korea had acknowledged previously.
Clinton acknowledged previously feeling unwell because of dehydration.
Carson et al. (2013) survey of the current state of knowledge on CSA in India concluded that empirical studies report a much higher incidence of CSA than previously acknowledged by authorities or by families.
A leadership role by Mr. Hussein would go far beyond anything previously acknowledged by the Bush administration, which has sought in its public remarks to portray the former Iraqi leader as being on the run and irrelevant.
Verizon indicated that the F.B.I. had sought records for a broader network of callers than the bureau itself had previously acknowledged by requesting records not just on original targets and the people they had called, but on everyone that those people in turn had called.
WASHINGTON, Sept. 8 — The F.B.I. cast a much wider net in its terrorism investigations than it has previously acknowledged by relying on telecommunications companies to analyze phone-call patterns of the associates of Americans who had come under suspicion, according to newly obtained bureau records.
We recommend that this de-identification method be used according to procedures that were previously acknowledged by four hospital IRBs [ 16, 26].
This fact was previously acknowledged by Jin et al. [ 28] with regard to their Clade VII, though their analysis lacked representatives of the A. physoceras papilionaceum lineage and misrepresented A. gracile as possessing a hood (its lateral sepals are clearly free).
