Their essays address such diverse topics as love, the nature of the human race, political, historical, anthropological and theological, the latter being the most haunted him.

Kant's essay also addressed the causes of a lack of enlightenment and the preconditions necessary to make it possible for people to enlighten themselves.

The second essay addressed food production in the colonies.

The essays address the life and writings of Ayn Rand and her philosophy of Objectivism.

The essay addressed Lanza's idea of biocentric universe, which places biology above the other sciences.

Other essays addressed Owenism, Chartism, the Chartist Land Plan, gender and autobiography, vegetarianism and popular journalism.

The essay addresses the question of under what circumstances states should be allowed to intervene in the sovereign affairs of another country.

His essays also addressed aspects of Catholic belief and life.

No essay addresses the formidable dating problems of the late works, although Mrs. Rudenstine offers her interpretations in her installation.