Warburg, Harold Dreyer. Tides and tidal streams : a manual compiled for the use of seamen / Harold Dreyer Warburg. - 1st ed. - Cambridge : The University press, 1922. - xxi , 105 p. : ill. ; 24 cm. Subjects--Topical Terms: Tides. Dewey Class. No.: 551.464 / WAT 1922