Duff, Chris. On Celtic tides : one man's journey around Ireland by sea kayak by Chris Duff. - New York : St. Martin's Press, c1999. - xvi, 269 p. : ill., maps ; 25 cm. ISBN: 0312263683 9780312263683 LCCN: Subjects--Personal Names: Duff, Chris--Travel--Ireland. Subjects--Topical Terms: Sea kayaking--Ireland. Subjects--Geographic Terms: Ireland--Description and travel. LC Class. No.: GV776.467.I74 / D84 1999 Dewey Class. No.: 914.1504/824