In the following excerpt, Johnston discusses the experiences and influences that resulted in the formation of Berkeley's philosophical theories.

In the first essay that follows, Urmson gives an overview of Berkeley's conflict with John Locke in the area of the definition of matter. In the second, he examines Berkeley's contention that, in order for his theory of immaterialism to be considered true, it must coincide with common sense.

In the following essay, Foster examines two apparently contradictory views in Berkeley's philosophy: that all reality exists solely in the mind and that a physical world does indeed exist and follows set laws.

In the following essay, which was written in 1936, Wild provides a survey of Berkeley's career and an overview of his philosophical development.

In the following essay, Bolton provides support and opposition for Berkeley's rejection of abstraction as well as his form of idealism.

In the following essay, Pitcher examines Berkeley's ideas regarding the existence of unperceived objects.

In the following essay, Tipton considers Berkeley's belief about the human imagination and its role in his philosophy of immaterialism.

In the following essay, Muehlmann thoroughly analyzes Berkeley's central metaphysical doctrines and some of the motivations behind them and concludes that many who have read his principles have been misled.

In the following essay, Cummins examines Berkeley's belief about perception, claiming that he limits himself because he refuses to separate the physical world from the perceptions of the senses.

In the following essay, Allaire surveys the ontology of Berkeley's philosophy of idealism, and why it fails.

In the following essay, Gallois considers the role imaging and perception play in the “master argument” of Berkeley's philosophy.

In the following essay, Luce examines the use of the term “in the mind” in Berkeley's works, arguing that Berkeley refers to perceivable existence rather than mental existence.