La Société Française de Numismatique (Paris, France), founded in 1865, published (1894) an illustrated book of their numismatic collection. However, none of these coins appear on their website.
The Metropolitan Museum of Art (New York, New York) opened in 1872 has a collection of over 200 items identified with the Merovingians. These are viewabl e online.
The Morgan Library & Museum (New York, New York) founded in 1910 by J. P. Morgan, Jr., has a small collection of attractive Merovingian artifacts. Merovingian artifacts were collected by J. Pierpont Morgan and catalogued in 1910. However, in 1940 some of the Morgan artifacts were determined to be fakes.
The Spurlock Museum of World Cultures (Urbana, Illinois), the roots of which reach back to 1911, is a part of the University of Illinois system. The museum’s Merovingian artifacts were scientifically collected during the mid-1800s by Auguste Moutié of France. It seems that part of the collection was purchased by university professor E. C. Hayes. The Baudon Collection of Merovingian Grave Artifacts has over 1000 items, all of which are viewable online.
Association Francaise d’Archéologie Merovingienne (AFAM) was founded in 1979 to study the Merovingians. They have annual conferences and publish proceedings of the papers presented.