"enquiries concerning" is correct and usable in written English.
You can use it when you want to refer to questions and requests for information about a particular matter. For example: "The school received several enquiries concerning the start date of the new term."
For general enquiries concerning travel in Brazil, contact the tourist office in London on 020-7629 6909, Brazil.
Enquiries concerning applying to the Fund should be directed in the first instance to the Director; for queries about the disbursement of funds, please contact the Administrator.
However, there were no answers from the former England head coach to enquiries concerning the recent turmoil at the RFU.
This is perhaps best illustrated with reference to David Hume's skepticism, as developed in Book One of A Treatise of Human Nature (1739 40) and in his later Enquiries Concerning Human Understanding (1748).
A master stylist in any genre, his major philosophical works A Treatise of Human Nature (1739 1740), the Enquiries concerning Human Understanding (1748) and concerning the Principles of Morals (1751), as well as his posthumously published Dialogues concerning Natural Religion (1779)—remain widely and deeply influential.
[2] Enquiry Concerning the Principles of Morals in "Enquires Concerning Human Understanding and Concerning the Principles of Morals," ed.
Enquiry Concerning the Principles of Morals: Incomparably the Best?: Annette C. Baier (Retired, University of Pittsburgh).Part IV: Religion:.17.17
The Enquiry Concerning the Principles of Morals (1751) was a rewriting of Book III of the Treatise.
David Hume (1711 1776) is the author of several important works, including A Treatise of Human Nature and An Enquiry Concerning the Principles of Morals.
Hume, in "An Enquiry Concerning the Principles of Morals" (1751), tries to put a little muscle into Hutcheson's pleasant ideas.
