The collection contains manuscripts and personal correspondence of Lednicki (1900-1932), photocopies of Lednicki's articles and esseys published in Russia and Polish newspapers (1905-1906), typescripts of speeches and memoranda (1905-1906), and a diary written in a Russian prison (1906). Political materials relating to the Russian State Duma (1905-1917), the Constitutional Democratic Party (Cadets) materials (1905-1916), the Russian federalist movement, and the Progressive-Democratic Party (SPD) (1904), the Russian Provisional Government including an official decree signed by Prime Minister Aleksander Kerensky, 1917, the Polish Kingdom, and the Polish National Committee regarding the creation of an independent Polish state. Photocopies of documents of British Public Records Office concerning Poland and Russo-Polish relations (1905-1918), and reprts by French Consulates in Warsaw, Moscow, and St. Petersburg to the French Foreign Ministry on Russo-Polish relations (1904-1910). Biographical materials on Lednicki's life includes original typescripts by Marian Jodko-Narkiewicz, 1959 and the original diary of Lednicki's sister, Amelia Lednicka-Nikoslawska. Also, personal documents and photographs. Arrangement in Series: Political Papers, Private Papers.

Aleksander Lednicki (1866-1934) was a lawyer and Polish political activist. He was deputy to the I Russian State Duma (1905). He was an activist of the Constitutional Democratic Party (Cadets) in Russia and the President of the Komisja Likwidacyjna ds. Królestwa Polskiego. Acquisition Note: Gift of Jan Lednicki (son of Waclaw Lednicki) ca 1968.