Originally published in 1907, this book presents the content of the Yorke Prize Essay for 1905. An account of four types of collective ownership is given: 'Tenancy by Entireties', 'Co-parcenary', 'Joint Tenancy' and 'Tenancy in Common'. Numerous cases are cited throughout the text and detailed notes are also included. This book will be of value to anyone with an interest in the nature of ownership and legal history.