Read, Christopher: Lenin: A Revolutionary Life, s. 105. Routledge Historical Biographies. London: Routledge, 11 January 2013. ”On 7 August their holiday home in Poronin, near Zakopane, was raided by Austrian police. [...] The following day, Lenin was arrested. Through the good offices of the Austrian Social-Democratic leader, Victor Adler, he was released and Lenin and Krupskaya were able to leave, via Vienna, for neutral Switzerland where they arrived on 5 September.” ISBN 9781134624713Teoksen verkkoversio.
Le Blanc, Paul: Unfinished Leninism: The Rise and Return of a Revolutionary Doctrine, s. 30. Reference,Information and Interdisciplinary Subjects Series. Haymarket Books, 17 June 2014. ”Lenin had moved to Krakow, in Austrian Poland, in 1912. After the outbreak of war in 1914 he was deported to Switzerland.” ISBN 9781608463664Teoksen verkkoversio.
