Kennett, J. P., D. J. Kennett, B. J. Culleton, J. E. Aura Tortosa, J. L. Bischoff, T. E. Bunch, I. R. Daniel, J. M. Erlandson, D. Ferraro, R. B. Firestone, et al. 2015. "Bayesian Chronological Analyses Consistent with Synchronous Age of 12,835–12,735 cal B.P. for Younger Dryas Boundary on Four Continents."
Kock, R. A., M. Orynbayev, S. Robinson, S. Zuther, N. J. Singh, W. Beauvais, E. R. Morgan, A. Kerimbayev, S. Khomenko, H. M. Martineau, et al. 2018. "Saigas on the Brink: Multidisciplinary Analysis of the Factors Influencing Mass Mortality Events."
Kolbert, E. 2014.
Kruuk, H. 1972. "Surplus Killing by Carnivores."
Lee, R. B., and R. Daly, eds. 1999.
Leydet, D. J., A. E. Carlson, J. T. Teller, A. Breckenridge, A. M. Barth, D. J. Ullman, G. Sinclair, G. A. Milne, J. K. Cuzzone, and M. W. Caffee. 2018. "Opening of Glacial Lake Agassiz's Eastern Outlets by the Start of the Younger Dryas Cold Period."
Lister, A., and P. Bahn. 2015.
Llamas, B., L. Fehren-Schmitz, G. Valverde, J. Soubrier, S. Mallick, N. Rohland, S. Nordenfelt, C. Valdiosera, S. M. Richards, A. Rohrlach, et al. 2016. "Ancient Mitochondrial DNA Provides High-Resolution Time Scale of the Peopling of the Americas."
Long, J. A., M. Archer, T. Flannery, and S. Hand. 2003.
Louys, J., D. Curnoe, and H. Tong. 2007. "Characteristics of Pleistocene Megafaunal Extinctions in Southeast Asia."
Lyell, C. 1866.
Lyons, K., F. A. Smith, and J. H. Brown. 2004a. "Of Mice, Mastodons, and Men: Human Mediated Extinctions on Four Continents."
Lyons, K., F. A. Smith, P. J. Wagner, E. P. White, and J. H. Brown. 2004b. "Of Mice, Mastodons, and Men: Human Mediated Extinctions on Four Continents."
MacDonald, F. 2016. "Study Proves the Explorers Club Didn't Really Eat Mammoth at 1950s New York Dinner." http://www.sciencealert.com/study-proves-the-explorers-club-didn-t-really-eat-mammoth-at-1950s-new-york-dinner
.MacPhee, R. D. E., ed. 1999.
_______. 2009. "
MacPhee, R. D. E., and D. A. Burney. 1991. "Dating of Modified Femora of Extinct Dwarf
MacPhee, R. D. E., and C. Flemming. 1999. "
MacPhee, R. D. E., and A. D. Greenwood. 2013 "Infectious Disease, Endangerment, and Extinction."
MacPhee, R. D. E., M. A. Iturralde-Vinent, and O. Jiménez-Vázquez. 2007. "Prehistoric Sloth Extinctions in Cuba: Implications of a New 'Last' Appearance Date."