Essential Algarve and south Portugal / by Gerry Crawshaw. - 1st U.S. ed. - Boston : Little, Brown, c1991. - 128 p. : col. ill. ; 20 cm. - The Essential travel guide series . - 91(469) (NLA) . Includes index. ISBN: 0316250074 Subjects--Topical Terms: Travel--South Portugal.Tourism--South Portugal. Universal Decimal Class. No.: 91(469) (NLA)