{{cite web | url=http://www.europeana.eu/resolve/record/92067/E2EFD2BC9BDEE23625E9D4FF5BA80A90B0BCB20C|title=Eesti-Tallinn : vaade Toompääle = A view of Domberg|author=Haidak, Osvald|accessdate=2013-05-18 |publisher=Europeana}}

<ref>{{cite web | url=http://www.europeana.eu/resolve/record/92067/E2EFD2BC9BDEE23625E9D4FF5BA80A90B0BCB20C|title=Eesti-Tallinn : vaade Toompääle = A view of Domberg|author=Haidak, Osvald|accessdate=2013-05-18 |publisher=Europeana}}</ref>