Kasper Braskén 
The International Workers’ Relief, Communism, and Transnational Solidarity [PDF ebook] 
Willi Münzenberg in Weimar Germany

1. Introduction
2. Awakening International Solidarity, 1921
3. Re-Imagining International Solidarity, 1922–23
4. Solidarity for Germany, 1923
5. Creating a Permanent International Solidarity Organisation
6. Broadening and Radicalising Solidarity, 1924–32
7. Towards a Global International Solidarity, 1924–26
8. Solidarity on the Screen and Stage
9. Celebrating International Solidarity, 1930–32
10. International Solidarity against War and Fascism, 1927–33

Kasper Braskén is Postdoctoral Researcher at Åbo Akademi University, Turku, Finland. He is a historian specialising in German, transnational and social movement history. He is the co-editor of H-Socialisms and the author of several articles on international solidarity, communism and anti-fascism.