There are broadly 3 themes in York’s work – landscapes, figures, and flowers. An early landscape such as Landscape with Two Trees and River has a more dramatic use of light than his later work. The sun glows on the horizon, and is reflected in the curving water of the river. Two trees stand tall against the sky. The romanticism in the quiet drama of this scene brings to mind the landscapes of Caspar David Friedrich. (http://www.academia.edu/2391276/The_Paradise_of_Albert_York) ...to the right hangs the chilling pair of landscape studies, the very green Landscape with Two Trees and River and the very brown Twin Trees. Both offer subdued and charged looks not only at the landscape but at the kind of open-air painting artists used to gather in the fields of southern France and the Hudson Valley to do. (http://artseditor.com/site/domesticated-nature/)