Calamus is a collection of letters written by Walt Whitman between the years 1868 and 1880. The letters are addressed to various individuals, including friends, family members, and literary figures. The collection is named after the Calamus plant, which is a symbol of male love and friendship in Whitman's poetry. The letters cover a wide range of topics, including Whitman's personal life, his health, his travels, and his literary work. They also provide...