EFREMOVA, Elena Nikolaevna. An interrupted flight: unpublished soviet regional encyclopedias of the 1920s-1930s. Quaestio Rossica, [S. l.], n. 2, p. 151–166, 2014. DOI: 10.15826/qr.2014.2.047. Disponível em: https://qr.urfu.ru/ojs/index.php/qr/article/view/047. Acesso em: 28 apr. 2024.