Budapest. Muzeum Korut. Boulevard du Musee National. Museumring

Essex. Braintree. Working Silk Museum. Ring doubling. Single raw silk strands are plied together as twist is put into yarn. PM. Colchester. 1996

Huisje van Kraan. van Vredenburchweg gesigneerd HR. Stichting Museum Rijswijk. Pieter de Vries

Norway. Musikkhistorisk Museum. Ringve. Aune. 1987

Norge. Musikkhistorisk Museum. Ringve. Trondheim. Chopin. Aune

Florida. Ringling Museum In Sara Sota. Color Photograph By H. W. Hannau. Miami Beach. Fla. N. C. P. 866. 1183

Florida. Sarasota. Ringling Museum of the Circus. Russell News Agency

British Museum. Rein Ring. Silver and Electrum. The Royal Graves at Ur. Waterlow