The Sylwester B. Knap papers contain an oral history transcript and a political prisoner certificate. Knap's oral history focuses on his childhood during the time World War II began in Europe which includes attempting to find refuge in Czestochowa, his experiences in the Gross-Rosen concentration camp, forced labor, mistreatment, camp selections, contracting Typhus, liberation, becoming wounded, finding his family after the war, his uncles involvement in the resistance movement, and his feelings toward talking about the war.