Rebuttal of "Polar Bear Population Forecasts: A Public-Policy Forecasting Audit". - Steven C. Amstrup; Hal Caswell; Eric DeWeaver; Ian Stirling; David C. Douglas; Bruce G. Marcot; Christine M. Hunter (Interfaces, 2009)

Perturbation analysis of continuous-time absorbing Markov chains. - Hal Caswell (Numer. Linear Algebra Appl., 2011)

A Note on the vec Operator Applied to Unbalanced Block-Structured Matrices. - Hal Caswell; Silke F. van Daalen (J. Appl. Math., 2016)