12. Fajardo, C.; et al. (4 March 2008). “Von Economo neurons are present in the dorsolateral (dysgranular) prefrontal cortex of humans”. Neuroscience Letters. 435 (3): 215–218. doi:10.1016/j.neulet.2008.02.048. PMID 18355958. S2CID 8454354.
13. Hof, P.R.; Van Der Gucht, E. (2007). “Structure of the cerebral cortex of the humpback whale, Megaptera novaeangliae(Cetacea, Mysticeti, Balaenopteridae)”. Anatomical Record Part A. 290 (1): 1–31. doi:10.1002/ar.20407. PMID 17441195. S2CID 15460266.
14. Langford, D.J.; Crager, S.E.; Shehzad, Z.; Smith, S.B.; Sotocinal, S.G.; Levenstadt, J.S.; Mogil, J.S. (2006). “Social modulation of pain as evidence for empathy in mice”. Science(Submitted manuscript). 312 (5782): 1967–1970.
15. Langford, D.J.; Crager, S.E.; Shehzad, Z.; Smith, S.B.; Sotocinal, S.G.; Levenstadt, J.S.; Mogil, J.S. (2006). “Social modulation of pain as evidence for empathy in mice”. Science(Submitted manuscript). 312 (5782): 1967–1970. Bibcode:2006Sci…312.1967L. doi:10.1126/science.1128322. PMID 16809545. S2CID 26027821.)
16. Smith, A.V., Proops, L., Grounds, K., Wathan, J. and McComb, K. (2016). “Functionally relevant responses to human facial expressions of emotion in the domestic horse (Equus caballus)”. Biology Letters. 12 (2): 20150907. doi:10.1098/rsbl.2015.0907. PMC 4780548. PMID 26864784.
17. Wechkin, S.; Masserman, J.H.; Terris, W. (1964). “Shock to a conspecific as an aversive stimulus”. Psychonomic Science. 1(1–12): 47–48. doi:10.3758/bf03342783.^
18. Masserman, J.; Wechkin, M.S.; Terris, W. (1964). “Altruistic behavior in rhesus monkeys”. American Journal of Psychiatry. 121 (6): 584–585. CiteSeerX 10.1.1.691.4969. doi:10.1176/ajp.121.6.584. PMID 14239459.
19. Nick Bos, Liselotte Sundström, Siiri Fuchs, Dalial Freitak. “Ants medicate to fight disease” Evolution Volume 69, Issue 11, pages 2979–2984, November 2015
20. News Feature: Animals that self-medicate Proc Natl Acad Sci U S A. 2014 Dec 9; 111(49): 17339–17341.Published online 2014 Dec 9. doi: 10.1073/pnas.1419966111PMCID: PMC4267359PMID: 25492915
21. Grandmothering, menopause, and the evolution of human life histories, Proc Natl Acad Sci U S A. 1998 Feb 3; 95(3): 1336–1339.doi: 10.1073/pnas.95.3.1336PMCID: PMC18762 PMID: 9448332 Anthropology
22. 14,DOI: 10.1002/evan.21763 Paleomedicine and the use of plant secondary compounds in the Paleolithic and Early Neolithic
23. Bigger, J. W., Boland, C. R., & O’meara, R. A. Q. (1927). Variant colonies of Staphylococcus aureus. The Journal of Pathology and Bacteriology, 30(2), 261–269. doi:10.1002/path.1700300204
24. Shama, G. (2016). La Moisissure et la Bactérie: Deconstructing the fable of the discovery of penicillin by Ernest Duchesne. Endeavour, 40(3), 188–200. doi:10.1016/j.endeavour.2016.07.005
25. Vrieze, Jop de (2015-08-14). “The littlest farmhands”. Science. 349 (6249): 680–683. Bibcode:2015Sci…349..680D. doi:10.1126/science.349.6249.680. ISSN 0036–8075. PMID 26273035.
26. Wall, L. (2000), “The actinorhizal symbiosis”, Journal of Plant Growth and Regulation, 19 (2): 167–182, doi:10.1007/s003440000027, PMID 11038226, S2CID 12887261
27. Normand P, Nguyen TV, Battenberg K, Berry AM, Heuvel BV, Fernandez MP, Pawlowski K. (2017). “Proposal of Candidatus Frankia californiensis’, the uncultured symbiont in nitrogen-fixing root nodules of a phylogenetically broad group of hosts endemic to western North America”. Int J Syst Evol Microbiol. 67 (10): 3706–3715. doi:10.1099/ijsem.0.002147. PMID 28884663. S2CID 41316476.
28. C.Michael Hogan.. 2010. Bacteria. Encyclopedia of Earth. eds. Sidney Draggan and C.J.Cleveland, National Council for Science and the Environment, Washington DC Archived 2011-05-11 at the Wayback Machine
29. Kämpfer, Peter (2006). “The Family Streptomycetaceae, Part I: Taxonomy”. In Dworkin, Martin; Falkow, Stanley; Rosenberg, Eugene; Schleifer, Karl-Heinz; Stackebrandt, Erko (eds.). The Prokaryotes. pp. 538–604. doi:10.1007/0-387-30743-5_22. ISBN 978-0-387-25493-7.
30. Law JH, Regnier FE (1971) Pheromones. Annu Rev Biochem 40:533–548.
31. Quiroz A, Pettersson J, Pickett JA, Wadhams LJ, Niemeyer HM (1997) Semiochemicals mediating spacing behavior of bird cherry-oat aphid, Rhopalosiphum padi, feeding on cereals. J Chem Ecol 23:2599–2607). (Feeny P, Stadler E, Ahman I, Carter M (1989) Effects of plant odor on oviposition by the black swallowtail butterfly, Papilio polyxenes (Lepidoptera: Papilionidae). J Insect Behav 2:803–827.)
32. Takabayashi J, Dicke M (1996) Plant-carnivore mutualism through herbivore-induced carnivore attractants. Trends Plant Sci 1:109–113.
33. Tumlinson JH, Lewis WJ, Vet LEM (1993) How parasitic wasps find their hosts. Sci Am 268:100–106.
34. Fajardo, C.; et al. (4 March 2008). “Von Economo neurons are present in the dorsolateral (dysgranular) prefrontal cortex of humans”. Neuroscience Letters. 435 (3): 215–218. doi:10.1016/j.neulet.2008.02.048. PMID 18355958. S2CID 8454354.
35. Hof, P.R.; Van Der Gucht, E. (2007). “Structure of the cerebral cortex of the humpback whale, Megaptera novaeangliae(Cetacea, Mysticeti, Balaenopteridae)”. Anatomical Record Part A. 290 (1): 1–31. doi:10.1002/ar.20407. PMID 17441195. S2CID 15460266.
36. Langford, D.J.; Crager, S.E.; Shehzad, Z.; Smith, S.B.; Sotocinal, S.G.; Levenstadt, J.S.; Mogil, J.S. (2006). “Social modulation of pain as evidence for empathy in mice”. Science(Submitted manuscript). 312 (5782): 1967–1970.
37. Langford, D.J.; Crager, S.E.; Shehzad, Z.; Smith, S.B.; Sotocinal, S.G.; Levenstadt, J.S.; Mogil, J.S. (2006). “Social modulation of pain as evidence for empathy in mice”. Science(Submitted manuscript). 312 (5782): 1967–1970. Bibcode:2006Sci…312.1967L. doi:10.1126/science.1128322. PMID 16809545. S2CID 26027821.)
38. Smith, A.V., Proops, L., Grounds, K., Wathan, J. and McComb, K. (2016). “Functionally relevant responses to human facial expressions of emotion in the domestic horse (Equus caballus)”. Biology Letters. 12 (2): 20150907. doi:10.1098/rsbl.2015.0907. PMC 4780548. PMID 26864784.
39. Wechkin, S.; Masserman, J.H.; Terris, W. (1964). “Shock to a conspecific as an aversive stimulus”. Psychonomic Science. 1(1–12): 47–48. doi:10.3758/bf03342783.^
40. Masserman, J.; Wechkin, M.S.; Terris, W. (1964). “Altruistic behavior in rhesus monkeys”. American Journal of Psychiatry. 121 (6): 584–585. CiteSeerX 10.1.1.691.4969. doi:10.1176/ajp.121.6.584. PMID 14239459.
41. Nick Bos, Liselotte Sundström, Siiri Fuchs, Dalial Freitak. “Ants medicate to fight disease” Evolution Volume 69, Issue 11, pages 2979–2984, November 2015
42. News Feature: Animals that self-medicate Proc Natl Acad Sci U S A. 2014 Dec 9; 111(49): 17339–17341.Published online 2014 Dec 9. doi: 10.1073/pnas.1419966111PMCID: PMC4267359PMID: 25492915
43. Grandmothering, menopause, and the evolution of human life histories, Proc Natl Acad Sci U S A. 1998 Feb 3; 95(3): 1336–1339.doi: 10.1073/pnas.95.3.1336PMCID: PMC18762 PMID: 9448332 Anthropology
44. DOI: 10.1002/evan.21763 Paleomedicine and the use of plant secondary compounds in the Paleolithic and Early Neolithic
45. The Burden of Knowledge and the «Death of the Renaissance Man»: Is Innovation Getting Harder? Benjamin F. Jones The Review of Economic Studies Vol. 76, No. 1 (Jan., 2009), pp. 283–317 (35 pages) Published By: Oxford University Press
46. WaIter Burkert, Homo Necans, p. 29, n. 34.
47. Mysterious new behaviour found in our closest living relatives, February 29, 2016 9.59am GMT, https://theconversation.com/
48. Bednarik, Robert. (2012). The Distribution of Franco-Cantabrian Rock Art. Préhistoire, Art et Sociétés, Bulletin de la Société Préhistorique Ariège-Pyrénées. 65–66. 24–25.
49. J. Haeckel, “Jager und Jagdriten,” Religion in Geschichte und Gegenwart, 3d ed. (1959), vol. 3,cols. 511-13.
50. J. Maringer, The Gods of Prehistoric Man, pp. 18 ff.
51. Miiller-Karpe, Altsteinzeit, pp. 230 ff., 240, and M. K. Roper, “A Survey of Evidence for Intrahuman Killing in the Pleistocene.”
52. Coppa, A.; Bondioli, L.; Cucina, A.; Frayer, D. W.; Jarrige, C.; Jarrige, J. -F.; Quivron, G.; Rossi, M.; Vidale, M.; Macchiarelli, R. (2006). “Early Neolithic tradition of dentistry”. Nature. 440 (7085): 755–756. Bibcode:2006Natur.440..755C. doi:10.1038/440755a. ISSN 0028–0836. PMID 16598247. S2CID 6787162.
53. Restak, Richard (2000). “Fixing the Brain”. Mysteries of the Mind. Washington, D.C.: National Geographic Society. ISBN 978-0-7922-7941-9. OCLC 43662032.
54. Faria MA. Neolithic trepanation decoded– A unifying hypothesis: Has the mystery as to why primitive surgeons performed cranial surgery been solved?. Surg Neurol Int 07-May-2015;6:72
55. William H. Stiebing, Ancient Near Eastern History and Culture (op.cit.) 231.
56. Marc Van De Mieroop, A History of the Ancient Near East (op.cit.) 198.
57. “The Collapse at the end of the Bronze Age”, The Oxford Handbook of The Bronze Age Aegean (c3000–1000 BC) Dickinson, (op.cit., 2010) 489.
58. Guy Middleton, “Theories of Mycenaean Collapse”, 165.
59. Snodgrass, M.E., World Epidemics. A Cultural Chronology of Disease from Prehistory to the Era of SARS, (North Carolina: McFarland and Co. Inc., Jefferson, 2003) 20.
60. Achtman, M. et al., “Yersinia Pestis genome sequencing identifies patterns of global phylogenic diversity”, (Native Genetics, 42, 2010) 1143–1150.
61. Ehrlich, C.S., The Philistine in Transition; A History from ca. 1000 – 730 BC, (Leiden, The Netherlands, 1996).