By chronologically analyzing and categorizing more than 500 journal articles from the selected 18 top journals in the management and business fields published from the 1950s to the summer of 2007, this study analyzed publications trends of different domains (OR vs. OB vs. Practice) in different journals. Result of this study help us better understand the evolution of PM as a field of practice and an academic discipline, and allow us to provide suggestions for future PM research opportunities.