D501-680 World War I (1914-1918)
D720-728 Period between World Wars (1919-1939)
D731-838 World War II (1939-1945)
D839-860 Post-war history (1945- )
E740-837.7 Twentieth century
E838-889 Later twentieth century, 1961-2000
E895-912 Twenty-first century
Physical Copies: All issues are shelved alphabetically by Journal Title at the Lancaster branch:
eJournals: Copy and paste them into the search box on the library homepage. *Tip- select the Journals tab*