Latvia
Books:
Ezergallis, Andrew. (1996). The Holocaust in Latvia, 1941-1944: the missing center. Washington, DC : United States Holocaust Memorial Museum.
Megargee, G. P., & United States Holocaust Memorial Museum. (2009). The United States Holocaust Memorial Museum encyclopedia of camps and ghettos, 1933-1945. Bloomington: Indiana University Press.
Press, B. (2000). The murder of the Jews in Latvia: 1941-1945. Evanston, Ill: Northwestern University Press.
Schneider, Gertrude. (2001). Journey into terror : story of the Riga Ghetto. Westport, Conn. : Praeger.
Websites: