Frederick Law Olmsted and the American environmental traditionForty years of landscape architecture : Central Park : Frederick Law Olmsted (sr)Calvert Vaux : architect & plannerThe park and the people : a history of Central ParkLandmarks : eighteen wonders of the New York worldStudy trip to the Northeast coast of the United States : introduction to the green structure of Boston, New York, Philadelphia and a visit to Shenandoah National ParkGreat city parksRebuilding Central Park : a management and restoration planFrederick Law Olmsted and the American environmental tradition