Both naturalism and realism are writing methods used to represent any subject matter truthfully sans artistic license. Naturalism actually uses extremely detailed realism in order to tell a story.
realism
Yes it is a good example of Classical Realism, although the subject matter is not real at all. The painting is also known as 'The Triumph of Bacchus'. Painted by Diego Velazguez, circa 1628-1629.
realism
realism
Christine Baron has written: 'Realism/anti-realism in 20th-century literature' -- subject(s): Postmodernism (Literature), Realism in literature
Roy Wood Sellars has written: 'Critical realism' -- subject(s): Knowledge, Sociology of, Knowledge, Theory of, Realism, Sociology of Knowledge, Theory of Knowledge 'The essentials of philosophy' -- subject(s): Philosophy 'Principles of emergent realism' -- subject(s): Addresses, essays, lectures, Religion, Mind and body, Values, Philosophy, Realism 'Evolutionary naturalism' -- subject(s): Naturalism, Positivism
Jiachang Luo has written: 'Cong wu zhi shi ti dao guan xi shi zai' -- subject(s): Matter, Realism
A. N. Iezuitov has written: 'V.I. Lenin i voprosy realizma' -- subject(s): Realism, Socialist realism
Saiyid Zafar al-Hasan has written: 'Realism' -- subject(s): Philosophers, Realism
Shek has written: 'Aspects of social realism in the French-Canadian novel, 1944-1964' -- subject(s): Realism in literature
James Wroten Woodard has written: 'Intellectual realism and culture change' -- subject(s): Civilization, Realism, Change, Reality 'Reification and supernaturalism as factors in social rigidity and social change' -- subject(s): Civilization, Realism, Social change, Reality