Experts say they are very different from the works of other famous architects of the period.

VOA: special.2009.12.13

"Historically it's one of the most important parts of the period of World War II in France,the roundup - the rafle du Vel dHiv - is a symbol of collaboration between the French police and the German occupying authorities."

VOA: standard.2010.04.10

His early works were influenced by composers of the classical period of the late seventeen hundreds and early eighteen hundreds.

VOA: special.2010.07.12

Last week,W.W.E.officials reported the company earned more than one hundred seventeen million dollars in the fourth financial period of last year.

VOA: special.2010.02.19

But in a recent study they declared that forty percent of the tweets captured over a two-week period were "pointless babble."

VOA: special.2009.09.14

"American exports grew almost seventeen percent over the first four months of this year, compared to the same period last year.

VOA: special.2010.07.09

The number of Washingtonians grew about three percent during that period while the United States population increased more than seven percent.

VOA: special.2009.03.20

Independent of those things, the findings still showed that optimists had less of a chance of dying during the eight-year period.

VOA: special.2009.04.15

Republicans have a plan to insure three million more Americans at a cost of sixty billion dollars for the same period.

VOA: special.2010.02.27

This wild and lawless period in the West has been shown in hundreds of movies, television programs and books.

VOA: special.2010.03.10

During this period,many experts warned of mass starvation in the developing world where populations were expanding faster than crop production.

VOA: special.2009.11.10

Poets called it the Golden Age. A golden age now describes a historical period of great artistic,scientific or economic progress.

VOA: special.2010.06.06

Professor Burgess says the first ten years of the twenty-first century are expected to register the most attacks of any ten-year period.

VOA: special.2009.06.16

He was eighty years old. His death officially marked the end of a historic period in modern jazz.

VOA: special.2009.03.01