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<gallery mode=packed heights=170px style="text-align:left" caption=" Værker Olaf Wilhelm Isaachsen på det norske Nasjonalmuseet − efter år">
File:Setesdalsstue med to dører.jpg|Setesdalsstue med to døre, 1858 (antagelig)
File:Olaf Isaachsen - Cleopatra - NG.M.04147 - National Museum of Art, Architecture and Design.jpg|Cleopatra, 1860
File:Olaf Isaachsen - The Artist's Studio in Paris - NG.M.03675 - National Museum of Art, Architecture and Design.jpg|Isaachsens atelier i Paris, 1861
File:Olaf Isaachsen - Wounded Man. Study for Fight in an old Farm House - NG.M.00985 - National Museum of Art, Architecture and Design.jpg|Såret mand, 1866 − Forstudie til ''Slagsmål i en bondestue''
File:Olaf Isaachsen - Fight in an old Farm House - NG.M.00446d - National Museum of Art, Architecture and Design.jpg|Slagsmål i en bondestue, 1866
File:Olaf Isaachsen - Interior from Setesdal - NG.M.00446j - National Museum of Art, Architecture and Design.jpg|Interiør fra Setesdal, 1866
File:Olaf Isaachsen - Old Farm Interior from Setesdal - NG.M.01177 - National Museum of Art, Architecture and Design.jpg|Setesdalsinteriør, 1869
File:Olaf Isaachsen - Old Storeroom in Setesdal - NG.M.00446f - National Museum of Art, Architecture and Design.jpg|Gammelt lagerrum i Setesdal, 1878
File:Olav den helliges lik pleies.jpg|[[Olav den Hellige]]s lig plejes, 1880
File:Olaf Isaachsen - Tore Hund by St. Olav's Body - NG.M.00446c - National Museum of Art, Architecture and Design.jpg|Vikingehøvdingen [[Tore Hund]] ved Olav den Helliges lig, 1881
File:Olaf Isaachsen - Lilac - NG.M.00446k - National Museum of Art, Architecture and Design.jpg|[[Syren]]<nowiki />busken, 1881
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Historie Maleri