Streips, K., Sķinķis, I., & Zvaners, M. (1991). Fifteen months that shook the world: Latvian crisis chronology, Latvian events chronology. Rockville, MD: American Latvian Association in the United States.

Streips, Kārlis., Inta Sķinķis, and Mārtiņš Zvaners. Fifteen Months That Shook the World: Latvian Crisis Chronology, Latvian Events Chronology. Rockville, MD: American Latvian Association in the United States, 1991.

Streips, Kārlis., Inta Sķinķis, and Mārtiņš Zvaners. Fifteen Months That Shook the World: Latvian Crisis Chronology, Latvian Events Chronology. Rockville, MD: American Latvian Association in the United States, 1991.