Aleksander Gella (1988), Development of Class Structure in Eastern Europe: Poland and Her Southern Neighbors, SUNY Press, ISBN978-0-88706-833-1, Google Print, p. 23.
Sangal, Aditi; Caldwell, Travis; Regan, Helen; Woodyatt, Amy; Chowdhury, Maureen; Kurts, Jason; Snowdon, Kathryn (28 March 2022). "It's 2 p.m. in Kyiv. Here's what you need to know". CNN. No. 28 March 2022 Russia-Ukraine Notices. p. 1. Archived from the original on 16 April 2022. Retrieved 15 April 2022.
Antoni Tomczyk (2013). "Łuck - Miasto bliskie sercom naszym". Kresowe Stanice. Stowarzyszenie Rodzin Osadników Wojskowych i Cywilnych Kresów Wschodnich. Retrieved 18 June 2013.
Beider, Alexander (2012). "Eastern Yiddish Toponyms of German Origin"(PDF). Yiddish Studies Today. ISBN 978-3-943460-09-4, ISSN 2194-8879 (düsseldorf university press, Düsseldorf 2012). Retrieved 26 December 2023.
Sangal, Aditi; Caldwell, Travis; Regan, Helen; Woodyatt, Amy; Chowdhury, Maureen; Kurts, Jason; Snowdon, Kathryn (28 March 2022). "It's 2 p.m. in Kyiv. Here's what you need to know". CNN. No. 28 March 2022 Russia-Ukraine Notices. p. 1. Archived from the original on 16 April 2022. Retrieved 15 April 2022.