Crampton, R. „Stojanov, Ivan: Liberalnata Partija văv Knjažestvo Bălgarija, 1879-1886“. Südost-Forschungen, Bd. 1, Nr. 1, November 2021, S. 531-2, https://www.suedost-forschungen.de/portal/index.php/sof/article/view/8578.