1. The National Archives of Estonia, Tartu (NAE).
2. Livländisches Landratskollegium (1627—1924), NAE, EAA.909.
3. Latvian State Historical Archives (LSHA).
4. Vidzemes bruņniecības arhīvs [archive of the Livonian Ritterschaft] (1389—1928), LSHA, 214.
5. Vidzemes zviedru generālgubernatora kanceleja [Chancellery of the Swedish Governor-General of Livonia] (1602–1723), LSHA, 7349.