Wikipedia: Caspar David Friedrich - Article showing a complete biography regarding the German Romantic painter, including a gallery of his works. The Metropolitan Museum of Art - Analysis on Friedrich's masterpiece "Two Men Contemplating the Moon". ARC: Caspar David Friedrich - Collection of his works. Artble: Caspar David Friedrich - Features a biography, style and technique regarding the Romantic artist. Includes a list of his famous works with proper date, size and medium. Kuntspedia: Caspar David Friedrich - Article based on the exhibition at State Hermitage Museum. The National Gallery: Caspar David Friedrich - Brief biography regarding the German artist born in Griefswald. Additional historical background information on one of his paintings "Winter Landscape". The Athenaeum: Caspar David Friedrich - Gallery containing over 60 works ordered by title including the year it was published. The Grave of Caspar David Friedrich - Location and pictures of his grave together with a biography.