Martin, Marina MPI for European Legal History, Max Planck Society;
http://dx.doi.org/10.12946/rg28/280-282 (Any fulltext)
Martin, M. (2020). A Springboard to Revolutionize the Future [Review of: Frederick Cooper, Citizenship, Inequality and Difference: Historical Perspectives, Princeton: Princeton University Press 2018, 224 p., ISBN 978-0-691-17184-5]. Rechtsgeschichte - Legal History Rg, 28, 280-282.