1.

A Field Guide to the Birds of Korea
by: Woo-Shin Lee, Tae-Hoe Koo, Jin-Young Park
June 25, 2005

2.

What if immigrants had not migrated? Determinants and consequence of Korean immigration to the United States.(Ethnicity and Immigration): An article from: ... American Journal of Economics and Sociology
by: Seong Woo Lee, Dowell Myers, Seong-Kyu Ha, Hae Ran Shin
July 14, 2006

3.

A FIELD GUIDE TO THE BIRDS OF KOREA
by: Woo-shin, Tae-Hoe Koo and Jin-young Park Lee
2000