In Policeman with Parliamentary Building, a policeman stands prominently in the foreground, dressed in a traditional uniform. The background features an imposing parliamentary building, rendered in detailed architectural style. The color palette is dominated by muted tones, with shades of gray and blue creating a somber yet realistic atmosphere.

The overall composition conveys a sense of order and authority in an urban setting. The painting employs oil on canvas as its medium, allowing for rich textures and depth in the depiction of both the policeman and the building. The artist's attention to detail is evident in the intricate rendering of the uniform and the architectural elements of the parliamentary structure. The use of light and shadow adds dimensionality, enhancing the realism of the scene.

Viewers can appreciate the technical skill involved in creating such a lifelike representation. Dean Cornwell was known for his ability to capture American life through his art, often focusing on themes of governance and civic duty. This work, created in the 1930s, reflects the societal values of the time, emphasizing the role of law enforcement in maintaining order. An interesting fact about this painting is that it was part of a series that Cornwell created to illustrate the importance of civic responsibility.

His works often served as visual narratives that engaged the public in discussions about democracy and community.