Journals and other personal effects were discovered at auction house, reports say

Government initiative to co-ordinate museum loans worldwide revives an idea of the late Martin Roth

Franz von Stuck’s portrait of two girls was due to be sold at Van Ham

City of Kassel says it can cover €5.4 million deficit from this year’s event

City authorities cite ongoing restitution claims as reason for decision

Van Ham to offer Franz von Stuck portrait in 17 November sale

Proceeds from Berlin sale, which also includes works by Rosemarie Trockel and Tomás Saraceno, will benefit Kayany Foundation

Expert studies reveal Black Rectangle, Red Square was produced after 1950

Four shortlisted artists issue statement calling for more money, less show

The Oyster Meal, insured for £1.5m, has hung in Mansion House for nearly three decades

Bastian family have collaborated with the German city’s art collection since 2002

Organisers hope two shows will lead to restitution claims from victims of Nazi persecution

While the country has made progress in providing childcare, it still remains an obstacle

Portrait by Thomas Couture belonged to a French politician who opposed the Nazis

Monarch’s ceremonial bed has survived many battles

Olu Oguibe has reportedly asked for €1m for his Monument to Strangers and Refugees

Residents are working with artist to create a more durable version of the vandalised work

German private owner reaches settlement with Jewish art historian’s heirs

“Bastian House” will give visitors an overview of what to expect on Museum Island

Joint letter urges parliament not to appoint far-right party member as chair of culture committee

Organisers condemn “murderous propaganda of all right-wing parties”

Funding will benefit Potsdam’s Sanssouci and Berlin’s Charlottenburg palaces

Urban Nation Museum for Urban Contemporary Art is one of the world's first of its kind

Artist’s art to be ousted by stories of exile

Site gives information on international regulations and protected German heritage

Kassel city and the state of Hesse pledge to secure long-term liquidity

Conference at London's National Gallery this week looks at how the process can be accelerated

German investigators find 15 paintings and drawings in Leverkusen, north of Cologne

The abstract images were inspired by documentary photographs of Nazi death camp

Police are investigating a burglary in the latest incident of crime at festival