AHRB Centre for the Study of Renaissance Elites and Court Cultures, University of Warwick (includes the John Nicols Project to re-edit and republish Nicols' great collections of documents relating to English royal progresses and court masques, and the Europa Triumphans projects for the digital publication of early modern books of court festivals)

American Society for 18th Century Studies

Bard Graduate Center for Studies in the Decorative Arts, Design and Culture

Centre for Reformation and Renaissance Studies (Victoria University)

The Costume Society

Cour de France.fr

English Heritage

The French Heritage Society

The French Porcelain Society

The Garden History Society

The Georgian Group

The Heraldry Society

Herzog August Bibliothek Wolfenbüttel (with link to digitized collection of German festival books)

Institute of Habsburg History

Institute of Historical Research

IULCE - Instituto Universitario ‘La Corte en Europa’ (Universidad Autónoma de Madrid)

International Society for 18th Century Studies

The Irish Georgian Society

The London and Middlesex Archaeological Society

Massachusetts Center for Renaissance Studies

The Mausolea and Monuments Trust

Queen and Country

The Renaissance Society of America

The Richard III Society

The Royal Historical Society

Rudolstädter Arbeitskreis zur Residenzkultur

The Silver Society

The Society of Jewellery Historians

The Society for Seventeenth Century French Studies

The Wallace Collection

Warwick Centre for the Study of the Renaissance

UCLA Center for Medieval and Renaissance Studies

UCLA Center for 17th- and 18th-Century Studies

The Jacobite Studies Trust