Pond, C., Elton, C., Clarke, J., Fisher, N., Mann, D., & Kirby, K. (2015). The Elton Archive. University of Oxford.

Pond, C., C. Elton, J. Clarke, N. Fisher, D. Mann, and K. Kirby. The Elton Archive. University of Oxford, 2015.

Pond, C., et al. The Elton Archive. University of Oxford, 2015.