Choi Kang is director of American studies at the Institute for Foreign Affairs and National Security in South Korea.

VOA: standard.2009.12.08

A thousand times in a thousand ways anybody who studies the American Civil War period is inevitably asked, "So what caused this war?"

每个研究美国内战史的人,总会不可避免地被人们反复问道,"究竟是什么导致了这场战争"

耶鲁公开课 - 美国内战与重建课程节选

"It was rediscovered by Hiram Bingham, who was a Yale University professor in Latin American Studies.

VOA: standard.2009.12.15

Zbigniew Lewicki, a specialist in American studies at the University of Warsaw, told the Polish Radio External Service that there is also concern about Russia's perceived attempts to increase its influence in former Soviet satellite states, including Poland.

VOA: standard.2009.09.17

Studies show that some American Robins are appearing in their nesting areas two weeks earlier than thirty years ago.

VOA: special.2009.05.12

Both studies appeared in the July first issue of Journal of the American Medical Association.

VOA: special.2009.07.15

And they are funding studies designed to mislead the American people,".

VOA: standard.2009.10.17

"There are studies that have shown that African American physicians and Hispanic American physicians are three to five times more likely to establish their practices in African American or Hispanic American communities."

VOA: standard.2010.03.05