- commons.wikimedia.org wiki/Lech_KaczyńskiLech Kaczyński - Polish president; former leader of PiS (Prawo i Sprawiedliwość/Law and Justice) party. See also: Jarosław Kaczyński.
- rt.com news/president-lech-kaczynski-biography/“In his presidential campaign, Lech Kaczynski showed quite a strong anti-Russian criticism.
- wiadomosci.onet.pl lech-kaczynskiLech Kaczyński to jedna z najważniejszych postaci w najnowszej historii Polski.
- warszawa.fandom.com wiki/Lech_KaczyńskiLech Aleksander Kaczyński (ur. 18 czerwca 1949 w Warszawie, zm. 10 kwietnia 2010 w Smoleńsku) - polski polityk, dr hab. nauk prawnych...
- tr.mgwiki.top wiki/Lech_KaczyńskiNe zaman Dayanışma 1980'lerin sonunda yeniden yasallaştırıldı, Kaczyński aktif bir danışmandı Lech Wałęsa ve onun Dayanışma Yurttaşları Komitesi 1988'de.
- en.wikiquote.org wiki/Lech_KaczyńskiLech Kaczyński (18 June 1949 – 10 April 2010) was a Polish politician; a leader of Prawo i Sprawiedliwość (Law and Justice) party, and the President of Poland from 2005 to 2010.
- turkcebilgi.com lech_kaczyńskiLech Aleksander Kaczyński (d. 18 Haziran 1949, Varşova - ö. 10 Nisan 2010, Smolensk, Rusya), 2005-2010 arasında Polonya Cumhurbaşkanı...
- peoplepill.com i/lech-kaczynskiWhen Solidarity was legalized again in the late 1980s, Kaczyński was an active adviser to Lech Wałęsa and his Komitet Obywatelski Solidarność in 1988.
- wikivisually.com wiki/Lech_KaczyńskiWhen Solidarity was legalized again in the late 1980s, Kaczyński was an active adviser to Lech Wałęsa and his Komitet Obywatelski Solidarność in 1988.