PORTER, William Sydney (''O. Henry," 1862-1910). Cabbages and Kings. New York, 1904. 8o. Original decorated cloth. FIRST EDITION. -- Heart of the West. New York, 1907. 8o. Original decorated cloth. FIRST EDITION. -- [With:] [BURGESS, Gelett]. The Purple Cow. San Francisco, 1895. RARE FIRST ISSUE. (3)