Korean Astronomy

Hanʼguk kwahak sasangsa yŏnʼgu

Yi Yong-bŏm chŏ

Han'guk kwahak sasangsa yŏn'gu

Yi Yong-bŏm chŏ .

Kojŏn ch'ŏnmun yŏkpŏp chŏnghae

Kim Tong-sŏkchiŭm

Han'guk kwahak sasangsa

Pak Sŏng-nae chiŭm

Uri yŏksa ŭi hanŭl kwa pyŏlchari: kodae putʻŏ Chosŏn kkaji Hanʼguk pyŏlchari wa chʻŏnmun munhwasa

Kim Il-gwŏn.

Tongyang ch'ŏnmun sasang, hanŭl ŭi yŏksa

Kim Il-gwŏn chiŭm

Chosŏn sidae ujugwan kwa yŏkpŏp ŭi ihae

Chŏng Sŏng-hŭi.

Kwahak kosŏ haejejip

Na Il-sŏng, Yi Kye-sun p'yŏnjŏ

Hanʼguk chʻŏnmundae manseryŏk

Hanʼguk Chʻŏnmun Yŏnʼguwŏn pʻyŏnchʻan.

Kugyŏk Sŏnt'aek kiyo

kugyŏk Nam Chong-jin