DS Ulvik, earlier the british yacht <i>Santa Rita </i>, in Hardanger Fjord. 1924.
Wallevik, Anders P.
<a rel="nofollow" class="external text" href="http://localhost:8080/things/ds-ulvik/HVM/HFU.WA.0885">DigitaltMuseum: D/S "Ulvik"</a>. DigitaltMuseum. Retrieved on 19. desember 2012.