Helicopters of tomorrow : the rudiments of rotating wing flight / B.J. Hurren How to make a moral survey : a manual of procedures / E.J. Benge L. J. M. Daguerre : the history of the diorama and the daguerreotype / by Helmut and Alison Gernsheim Since 1900 : a history of the United States in our times / Oscar Theodore Barck Jr. [and] Nelson Manfred Blake Defeat in victory : [avec des documents en apppendice.] / Jan Ciechanowski Elementary law : (supplementary) / publ. by the Department of Law, U.S. Military Academy My forty year fight in Korea / L. Yim ; with the editorial assistance of E.H. Demby development of mathematics / by Eric T. Bell Radicals and radical ideology in China's cultural revolution / by Parris H. Chang Civil war battles / Curt Johnson & Mark McLaughlin Crisis in command : mismanagement in the army / Richard A. Gabriel and Paul L. Savage IT&T : electronics and telecommunication