==External links==* Otto Sverdrup - ExploreNorth at www.explorenorth.com* Otto Sverdrup Centennial Expedition* Official site of the Fram Museum (Frammuseet)* Family genealogy
* Otto Sverdrup — ExploreNorth at www.explorenorth.com* Otto Sverdrup Centennial Expedition* Официальный сайт «Музея Фрама» (Frammuseet)