United States

Social change in America = the historical handbook, 2004 / by: United States; United States; NetLibrary, Inc.; Becker, Patricia C. (Electronic resources)

It's getting better all the time : = 100 greatest trends of the last 100 years / by: Simon, Julian Lincoln, (1932-); Moore, Stephen, (1960-); United States; United States (Language materials, printed)

Preparing for the 21st century = challenges facing a changing society / by: United States; Institute of Medicine (U.S.); National Research Council (U.S.); NetLibrary, Inc.; National Academy of Sciences (U.S.); National Academy of Engineering. (Electronic resources)

A Statistical portrait of the United States = social conditions and trends / by: United States; United States; NetLibrary, Inc.; Becker, Patricia C. (Electronic resources)