Knowlton, Steven, and Adam Sales. 2016. “Flag Proportions: Thoughts on Flag Families and Artistic Unity Within Displays of Multiple Flags”. Flag Research Quarterly, no. 9: 1-6.

Knowlton, Steven, Adam Sales, and Kevin Merriman. 2014. “A Comparison of Faculty and Bibliometric Valuation of Serials Subscriptions at an Academic Research Library”. Serials Review 40 (1): 28-39.