"In her new Academy studio, Kollwitz drew a picture of mothers, huddled and trying to protect their children. In ‘Mothers’, Kollwitz combined her major themes – her own tragedy, the bond between mother and child, working-class life as personified in women, death as a force, and war. It is one of her richest works. On 6 February 1919 she wrote in her diary: 'I am working on Mothers...I drew'" https://gerryco23.wordpress.com/2015/06/26/kathe-kollwitz-in-berlin-the-moral-conscience-of-germany/