British architect David Chipperfield has pacified both conservatives and progressives with his masterplan for the Museum Island which links the museums by underground tunnels

Constitutional court decides in favour of nationalists’ bill

The works in question were smuggled out of Germany during the Nazi regime for safe-keeping

An important test case for museums dealing with war loss cases.

The letter was written by Giacomo Boni and dates from 1925

Magnum photographers are among those making the images by which this tragedy will be remembered—but which may also eventually fuel the art market

The director of the Hermitage, Mikhail Piotrovsky, outlines the possible implications for his museum of the NATO campaign

A sheet of paper found in a second-hand book by The Art Newspaper details valuations of the drawings when sold by Colnaghi

A new protocol allows for prosecution of organisations and individuals, putting pressure on art market professionals

The London gallery aims to ensure that they are not war loot and appeals for assistance in checking their recent histories

“Picasso and the War Years 1937-45”, Solomon R. Guggenheim Museum, New York, 5 February-9 May

At the liberation of Paris, Picasso declared, “I am not the kind of painter who goes out like a photographer for something to depict. But I have no doubt that the war is in these paintings.” This exhibition sifts the evidence

Disputed Degas to go to the Art Institute of Chicago

Restitution claims for the Lubomirski and Ossolinski collections are complicated by the history of Lviv’s occupiers

The area, unfortunately located close to the conflict in Kosovo province, is largely unexplored

Critics pointed out that the AAMD has no enforcement provision for members who violate its guidelines, not even its own mediation process

Veteran’s reluctant admission of taking plunder clinches case

The distinguished antique dealer recounts how he became a black marketeer

Stolen in 1945 from a Polish prince’s museum, it is now thought to be in Bavaria

The paintings have been missing since 1945

“Today the photo magazines have all folded or been turned into vehicles for lifestyles and personality portraits”

A celebration of a dramatic life

The collection was stolen during Nazi occupation of France

A survey touching all the bases, including losses, recoveries, legal debates, and cultural restitution

A survey touching all the bases: losses, recoveries, legal debates, cultural restitution

“A very happy occasion” as painting looted by American soldiers returns home

But negotiations continue between Chancellor Kohl and President Yeltsin

Looting, conflict and mining have caused terrible destruction

Artifact had been missing from Bologna since 1940

The crypt of the baroque Frauenkirche was reopened last month, with an altar by Anish Kapoor