▁Press , ▁ 1 9 7 5 ). ▁Europe ▁Since ▁ 1 8 1 5 ▁( New ▁York : ▁Har per ▁and ▁Row , ▁ 1 9 6 2 ). ▁One ▁Europe , ▁The ▁Historical ▁Background ▁of ▁European ▁Unity ▁( New ▁York : ▁Double day , ▁ 1 9 6 5 ). ▁The ▁Mean ing ▁of ▁the ▁First ▁World ▁War ▁( Eng le wood ▁Cl iffs , ▁New ▁Jersey : ▁Pr ent ice ▁Hall , ▁ 1 9 6 5 ). ▁The ▁Con cert ▁of ▁Europe ▁( New ▁York : ▁H aper ▁and ▁Row , ▁ 1 9 6 8 ). ▁Le ▁Riv ol uz ioni ▁Naz ionali ▁( T or ino : ▁Un ione ▁T ip ograf ico - Edit rice ▁Tor inese , ▁ 1 9 6 9 ). ▁Britain ▁and ▁France , ▁Ada pt ations ▁to ▁a ▁Ch anging ▁Context ▁of ▁Power ▁( New ▁York : ▁Double day , ▁ 1 9 7 0 ). ▁Europe ▁Fif teen ▁H undred ▁to ▁E igh teen ▁Fort y - E ight ▁( T ot owa , ▁New ▁Jersey : ▁Little field , ▁Adams ▁and ▁Co ., ▁ 1 9 5 3 ). ▁Europe ▁After ▁E igh teen ▁Fif teen ▁( T ot owa , ▁New ▁Jersey : ▁Little field , ▁Adams ▁and ▁Co ., ▁ 1 9 7 2 ). ▁Tw enti eth ▁Century ▁Europe ▁( T ot owa , ▁New ▁Jersey : ▁Little field , ▁Adams ▁and ▁Co ., ▁ 1 9 7 3 ). ▁Ad ol phe ▁Th iers ▁(