The Legend of the Quatuor Coronati

In the current circumstances open meetings of QC Lodge and face-to-face talks by members of the Lodge have been suspended.  We are however maintaining our online support for Masonic research and making our (and other) lectures available online. Lectures that would have been given in QC’s regular meetings have instead been uploaded to QC’s YouTube Channel, with subsequent Q&As hosted on Zoom.  Online lectures with which we are associated or involved can be found by clicking here.

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Quatuor Coronati is the world’s premier Masonic research lodge.
Established in 1884 and consecrated in 1886, our founders adopted an evidence-based approach to Masonic history that replaced the more imaginative writings of earlier authors; it became known as the ‘authentic school’ of Masonic research.

Quatuor Coronati maintains the same principles today. We hold meetings incorporating lectures five times a year, usually at Freemasons’ Hall, Great Queen Street, London; publish our lectures, research papers, and ‘notes & queries’, in Ars Quatuor Coronatorum – ‘AQC’, the annual Transactions of the Lodge, distributed internationally; arrange conferences & symposia on different aspects of freemasonry; and share our research and encourage scholarship via the QC Correspondence Circle – ‘QCCC’, the world’s first and oldest Masonic research society established over 130 years ago.

Wherever you are based, from the Americas to Europe, Africa, Asia and AusNZ, we would be delighted if you were to join us as a member of QCCC.  We are an international community and QCCC is open to everyone.

Membership Subscriptions and Renewals

Our membership year runs from 1 December – 30 November.  Subscriptions can be renewed automatically via a Direct Debit (UK) or continuous credit card payment authority (UK & International). Subscriptions and Renewals can be made online or by phone. Check your membership status by going to Find My Account.  (In all cases, please ensure you Register, an automated email will confirm / reconfirm your membership; you can then log in using that information.)  And please check that we have your current email and postal address, and that you have consented to our emails.

If you have any difficulty in renewing or subscribing, or if you are not receiving our regular emails, please tell us by emailing, referencing QCCC, with a copy to, so that we can follow-up.  If you are missing a recent back edition of AQC, these can be purchased here.

‘Freemasonry on the Frontier’

We have almost finished indexing the papers that were to have been delivered at our Boston Conference. The book should be in print-ready form in a few weeks and this outstanding collection of Masonic research will, we hope, be available before the end of the year.


Our Research Resources contain a number of important Old Charges and Masonic Manuscripts, the early Minutes of the Grand Lodge of England (‘the Moderns’), and the early Minutes of the Grand Lodge of England according to the Old Institutions (‘the Antients’).
We also provide indexes to past volumes of AQCBook Reviews, and sources of further information.

The George Washington Masonic National Memorial was an outstanding venue for our last Conference. Click to read the reports in Freemasonry Today and Philalethes, or visit Recent Symposia.

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The Correspondence Circle exists so that as wide an audience as possible may enjoy and benefit from the research efforts of Quatuor Coronati Lodge, the premier Masonic research Lodge in the world.

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Make a Donation

Your support will allow us to extend the research material and research services currently provided. Thank you.