Undset, S. (1948). Ida Elisabeth. Rütten & Loening.
Lua i Stíl Chicago (17ú heag.)Undset, Sigrid. Ida Elisabeth. Potsdam: Rütten & Loening, 1948.
Lua MLA (8ú heag.)Undset, Sigrid. Ida Elisabeth. Rütten & Loening, 1948.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.