THE LOG OF A COWBOY:A NARRATIVE OF THE OLD TRAIL DAYS
ANDY ADAMS1969 年出版288 页ISBN：0804902011
A TRAIL OF RESEARCH IN SULFUR CHEMISTRY AND METABOLISM AND RELATED FIELDS
VINCENT DU VIGNEAUD1952 年出版191 页ISBN：0852002017
THE COWBOY'S COMPANION:A TRAIL GUIDE FOR THE ARTHROSCOPIC SHOULDER SURGEON
STEPHEN S.BURKHART IAN K.Y.LO PAUL C.BRADY PATRICK J.DENARD2012 年出版495 页ISBN：1609137977
JIHAD THE TRAIL OF POLITICAL ISLAM
ANTHONY F.ROBERTS2002 年出版454 页ISBN：0674008774
