 Complete the following phrase:  The second source is the Musée national du Moyen-Age in Paris, known as the musée Cluny. This collection was built up by Isaac Strauss, a French Jew from the 19th century. He collected 149 religious objects during his travels throughout Europe, including furniture, ceremonial objects, and Hebrew manuscripts. A Holy Arch from Italy from the 15th century, wedding rings, and illuminated ketubbot marriage contracts are examples of artefacts in his collection. Strauss is regarded as the first collector of Jewish objects. Part of his collection was displayed during the 