found: Börsch-Supan, H. Die Werke Carl Blechens im Schinkel-Pavillon, 1978:p. 31 (b. July 29, 1798 in Cottbus, d. July 23, 1840)
found: Brockhaus Enz.,Bd. 2, p. 801 (Blechen, Karl, 1798-1840)
found: Darmstaedter, R. Künstlerlexikon, 1961:p. 56 (Blechen, Karl, 1798-1840)
found: Carl Blechen, c2009:p. 209 (Carl Eduard Ferdinand Heinrich Blechen; painter, draughtsman)
found: Allgemeines Künstlerlexikon Internationale Künstlerdatenbank, 26th CD-ROM ed., c2007(Blechen, Karl; Blechen, Carl; Blechen, Carl Eduard Ferdinand Heinrich; painter; master draughtsman; lithographer; etcher)
found: Carl Blechen's Wikipedia page, viewed on February 6, 2017(Carl Eduard Ferdinand Blechen; born on July 29 in Cottbus; died on July 23 in Berlin; German landscape painter; Profesor at the Academy of Arts in Berlin)
found: Kloster in Walde, 1823 :engraved within plate (Blechen)
