Classification and relationship to other languages
Danish language - Wikipedia
https://en.wikipedia.org/wiki/Danish_languageSwedish language - Wikipedia
https://en.wikipedia.org/wiki/Swedish_languageRussian language - Wikipedia
https://en.wikipedia.org/wiki/Russian_languageAlfred Jensen (slavist) - Wikipedia
https://en.wikipedia.org/wiki/Alfred_Jensen_(slavist)
Language structure
Wayback Machine - Wikipedia
https://en.wikipedia.org/wiki/Wayback_Machinehttps://web.archive.org/web/20101222225840/http://r2u.org.ua/data/Правописний%20словник%20(1929).pdf
https://web.archive.org/web/20101222225840/http://r2u.org.ua/data/Правописний%20словник%20(1929).pdfhttp://www.r2u.org.ua/data/Правописний%20словник%20%281929%29.pdf
http://www.r2u.org.ua/data/Правописний%20словник%20%281929%29.pdf
History of the Ukrainian spoken language's usage
archive.ph
https://archive.today/20120908120650/http://www.russiatoday.ru/news/news/25050Book sources - Wikipedia
https://en.wikipedia.org/wiki/Special:BookSources/978-0-7656-0224-4M. E. Sharpe - Wikipedia
https://en.wikipedia.org/wiki/M.E._SharpeTaras Kuzio - Wikipedia
https://en.wikipedia.org/wiki/Taras_KuzioContemporary Ukraine
https://books.google.com/books?id=1w-3TCvbkioC&pg=PA35&dq=Ukrainian+Russian+dialect&hl=nl&ei=yOHfS-z5Ms-A-gaChd2aBw&sa=X&oi=book_result&ct=result&resnum=5&ved=0CEwQ6AEwBDge#v=onepage&q=Ukrainian%20Russian%20dialect&f=falseLife (magazine) - Wikipedia
https://en.wikipedia.org/wiki/Life_(magazine)LIFE
https://books.google.com/books?id=iU0EAAAAMBAJ&pg=PA120#v=onepage&q&f=falseBook sources - Wikipedia
https://en.wikipedia.org/wiki/Special:BookSources/978-0-521-41391-6Cambridge University Press - Wikipedia
https://en.wikipedia.org/wiki/Cambridge_University_PressSoviet Nationality Policy, Urban Growth, and Identity Change in the Ukrainian SSR 1923-1934
https://books.google.com/books?id=2oqThmrFCfwC&pg=PA12&dq=Nikolayev+Ukrainian+language&client=firefox-a&cd=2#v=onepage&q=&f=falsehttp://miskinhill.com.au/journals/asees/20:1-2/lexical-divide-ukrainian.pdf
http://miskinhill.com.au/journals/asees/20:1-2/lexical-divide-ukrainian.pdfBook sources - Wikipedia
https://en.wikipedia.org/wiki/Special:BookSources/978-0-674-26837-1Harvard University Press - Wikipedia
https://en.wikipedia.org/wiki/Harvard_University_PressJonathan Steele - Wikipedia
https://en.wikipedia.org/wiki/Jonathan_SteeleEternal Russia : Yeltsin, Gorbachev, and the mirage of democracy : Steele, Jonathan : Free Download, Borrow, and Streaming : Internet Archive
https://archive.org/details/eternalrussiayel00stee/page/216Wikisource - Wikipedia
https://en.wikipedia.org/wiki/WikisourceВалуевский циркуляр — Викитека
https://en.wikisource.org/wiki/ru:%D0%92%D0%B0%D0%BB%D1%83%D0%B5%D0%B2%D1%81%D0%BA%D0%B8%D0%B9_%D1%86%D0%B8%D1%80%D0%BA%D1%83%D0%BB%D1%8F%D1%80Book sources - Wikipedia
https://en.wikipedia.org/wiki/Special:BookSources/978-0-8014-7279-4International Standard Book Number - Wikipedia
https://en.wikipedia.org/wiki/ISBN_(identifier)Cornell University Press - Wikipedia
https://en.wikipedia.org/wiki/Cornell_Univ._PressContested tongues : language politics and cultural correction in Ukraine : Bilaniuk, Laada : Free Download, Borrow, and Streaming : Internet Archive
https://archive.org/details/contestedtongues00bila/page/76
Linguistic development of the Ukrainian language
Konstanty Wasyl Ostrogski - Wikipedia
https://en.wikipedia.org/wiki/Konstanty_Wasyl_OstrogskiNikolay Kostomarov - Wikipedia
https://en.wikipedia.org/wiki/Nikolay_KostomarovHokkaido University - Wikipedia
https://en.wikipedia.org/wiki/Hokkaido_UniversityBook sources - Wikipedia
https://en.wikipedia.org/wiki/Special:BookSources/5-288-03948-8International Standard Book Number - Wikipedia
https://en.wikipedia.org/wiki/ISBN_(identifier)https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4558026/bin/pone.0135820.s008.pdf
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4558026/bin/pone.0135820.s008.pdf
Ukrainian language
Book sources - Wikipedia
https://en.wikipedia.org/wiki/Special:BookSources/978-0-674-26837-1Harvard University Press - Wikipedia
https://en.wikipedia.org/wiki/Harvard_University_PressJonathan Steele - Wikipedia
https://en.wikipedia.org/wiki/Jonathan_SteeleEternal Russia : Yeltsin, Gorbachev, and the mirage of democracy : Steele, Jonathan : Free Download, Borrow, and Streaming : Internet Archive
https://archive.org/details/eternalrussiayel00stee/page/216Orthodox Church of Ukraine - Wikipedia
https://en.wikipedia.org/wiki/Orthodox_Church_of_UkraineDanish language - Wikipedia
https://en.wikipedia.org/wiki/Danish_languageSwedish language - Wikipedia
https://en.wikipedia.org/wiki/Swedish_languageRussian language - Wikipedia
https://en.wikipedia.org/wiki/Russian_languageAlfred Jensen (slavist) - Wikipedia
https://en.wikipedia.org/wiki/Alfred_Jensen_(slavist)Book sources - Wikipedia
https://en.wikipedia.org/wiki/Special:BookSources/087750-175-0Indiana University Press - Wikipedia
https://en.wikipedia.org/wiki/Indiana_University_PressPaul Wexler (linguist) - Wikipedia
https://en.wikipedia.org/wiki/Paul_Wexler_(linguist)Purism and Language a Study in Modem Ukrainian and Belorussian Nationalism(1840-1967)
https://books.google.com/books?id=AP2Hh3LVGaUC&pg=PA309Book sources - Wikipedia
https://en.wikipedia.org/wiki/Special:BookSources/978-0-8014-7279-4International Standard Book Number - Wikipedia
https://en.wikipedia.org/wiki/ISBN_(identifier)Cornell University Press - Wikipedia
https://en.wikipedia.org/wiki/Cornell_Univ._Press