Edward Seago – location unknown. Entrance to the Champs Elysées (c. 1950s)
Ivan Shishkin – location unknown. Грибники/Mushroom Pickers (the 1880s?)
Materials: probably oil on canvas. Dimensions: unknown. Source: http://uploads0.wikiart.org/images/ivan-shishkin/mushroom-pickers.jpg. I have changed the contrast of the original photo.
Eduard Gaertner – location unknown. Paris, Rue Neuve-Notre-Dame (1826)
Materials: oil on canvas. Dimensions: 44 x 33 cm. Source: http://commons.wikimedia.org/wiki/File:Rue-Neuve-Notre-Dame_in_Paris.jpg. I have changed the light, contrast and colors of the original photo.
Willem Koekkoek – museum? Winter City View (c. 1860-1895)
Materials: ?. Dimensions: ? Source: http://artmight.com/albums/2011-02-07/art-upload-2/k/Koekkoek-Willem/Koekkoek-Willem-Winter-city-view-1-Sun.jpg. P.S. I have changed the contrast of the original photo.
Konstantin Kryzhitsky – museum ? Пейзаж/Landscape (1895)
Materials: oil on canvas. Dimensions: 71 x 114 cm. Source: http://www.artdeviant.ru/files/2012/01/Peyzazh.-1895.-Holst-maslo-71h114-sm.jpg.
Peder Mørk Mønsted – (museum?). Deep Peace (1898)
Materials: ? Dimensions: ? Signed and dated (lower left). Source: ludmilascorner.blogspot.ro/2010/05/deep-peace.html. P.S. I have changed the light, contrast and colors of the original photo.
Hans Fredrik Gude. Frisk bris ved den norske kyst/Fresh Breeze off the Norwegian Coast.
Source: upload.wikimedia.org/wikipedia/commons/2/21/Hans_gude-Fri… I did not find further information on this painting. P.S. I have changed the light, contrast and colors of the original photo.
Themistokles von Eckenbrecher – (museum ?) Utsikt over Lærdalsøren, i Sognefjorden (1901)
Materials:oil on canvas. Dimensions:? Nr.:? Sursa: http://www.hf.uio.no/ifikk/bilder/Lied/LIED013.JPG
elsewhere 
