Complex sentence: The "Journal of Cold War Studies" (JCWS) established in 1999 (Vol 1), is a quarterly, peer reviewed, academic, and history journal, published by MIT Press for the Harvard Project on Cold War Studies.
Split into simpler sentences: The "Journal of Cold War Studies" was established in 1999 (Vol 1) and is a quarterly, peer-reviewed, academic journal on the history of the Cold War. It is published by MIT Press for the Harvard Project on Cold War Studies.