| 1. | Rosenau, Keegan, Goldberger and Lake | Public Health Report, 1919; xxxiv, No. 2, p. 33. |
| 1a. | McCoy and Richey | Public Health Report, 1919; xxxiv, No. 2, p. 34. |
| 2. | Lacy | Jour. Lab. and Clin. Med., 1918; iv, p. 55. |
| 3. | Wollstein | Jour. Exper. Med., 1911; xiv, p. 73. |
| 4. | Flexner | Jour. Amer. Med. Assoc., 1913; lxi, p. 1872. |
| 5. | Park and Williams | Bacteriology, 1914 Edition; p. 437. |
| 6. | Leary | Jour. Amer. Med. Assoc., 1918; lxxi, p. 2098. |
| 7. | Leary | Amer. Jour. Public Health, 1918; viii, p. 755. |
| 8. | Rosenau | Preliminary report furnished through Surgeon-General of the Navy W. C. Braisted. |
| 9. | Barnes | Jour. Amer. Med. Assoc., 1918; lxxi, p. 1849. |
| 10. | Hinton and Kane | The Commonwealth Mass. State Dept. Health, 1918; vi, Nos. 1 and 2, p. 28. |
| 11. | Hinton and Kane | Hinton’s Report. |
| 12. | Parker | Jour. Amer. Med. Assoc., 1919; lxxii, p. 476. |
| 13. | Pearce | Jour. Amer. Med. Assoc., 1913; lxi, p. 2115. |
| 14. | Committee on New and Non-Official Remedies | Jour. Amer. Med. Assoc., 1918; lxx, p. 1967. |
| 15. | McCoy | Personal Communication. |
| 16. | Hutchinson | Dixmont Hospital Report. |
| 17. | McCoy, Murray and Teeter | Jour. Amer. Med. Assoc., 1918; lxxi, p. 1997. |
| 18. | Minaker and Irvine | Jour. Amer. Med. Assoc., 1919; lxxii, p. 847. |
| 19. | Sherman | Report. |
| 20. | Maberry | Report from Hospital for Insane, Retreat, Pa. |
| 21. | Rosenow | Jour. Amer. Med. Assoc., 1919; lxxii, p. 31. |
| 22. | Beaver, Boles and Case | Jour. Amer. Med. Assoc., 1919; lxxii, p. 265. |
| 23. | Ely, Lloyd, Hitchcock and Nickson | Jour. Amer. Med. Assoc., 1919; lxxii, p. 24 |
| 24. | Kitano | Jour. Amer. Med. Assoc., 1919; lxxii, p. 1575. |
| 25. | Wynn | Pract. London, 1919; cii, p. 77. |
| 26. | Norman White | Lancet., 1919; i, p. 707. |
| 27. | Whitingham and Sims | Lancet., 1918; ii, p. 865. |
| 28. | Cadham | Lancet., 1919; ii, p. 885. |
| 29. | Eyre and Lowe | Lancet., 1918; ii, p. 485. |
| 30. | Conference British War Office | |
| 31. | Whitmore, Fennel and Peterson | Jour. Amer. Med. Assoc., 1918; lxx, p. 427; also p. 902. |
| 32. | Fennel | Jour. Amer. Med. Assoc., 1918; lxxi, p. 2115. |
| 33. | Dochez and Gillespie | Jour. Amer. Med. Assoc., 1913; lxi, p. 727. |
| 34. | Lister | Publications of the South African Institute for Medical Research, No. 2, 1913. |
| 35. | Lister | Publications of the South African Institute for Medical Research, No. 8, 1916. |
| 36. | Lister | Publications of the South African Institute for Medical Research, No. 10, 1917. |
| 37. | Cecil and Austin | Jour. Exper. Med., 1918; xxviii, p. 19. |
| 37a. | Cecil and Vaughan | Jour. Exper. Med., 1919; xxix, p. 457. |
| 38. | Bloomfield | Johns Hopkins Bull., 1919; xxx, p. 1. |
| 39. | Capps | War Med., Vol. ii, p. 371. |
| 39a. | Capps | Jour. Amer. Med. Assoc., 1918; lxx, p. 910. |
| 40. | Weaver | Jour. Amer. Med. Assoc., 1918; lxx, p. 76. |
| 41. | Weaver | Jour. Amer. Med. Assoc., 1918; lxxi, p. 1405. |
| 42. | Weaver | Jour. Infect. Dis., 1919; xxiv, p. 218. |
| 43. | Doust and Lyon | Jour. Amer. Med. Assoc., 1918; lxxi, p. 1216. |
| 44. | Haller and Colwell | Jour. Amer. Med. Assoc., 1918; lxxi, p. 1213. |
| 45. | Leete | Lancet., 1919; i, p. 392. |
| 46. | Dannenberg | Jour. Amer. Med. Assoc., 1918; lxx, p. 99. |
| 47. | Mink | Jour. Amer. Med. Assoc. 1918; lxxi, p. 2175. |
| 48. | Vaughan | Jour. Amer. Med. Assoc., 1918; lxxi, p. 2100. |
| 49. | Copeland | Jour. Amer. Med. Assoc., 1918; lxxi, p. 2173. |
| 50. | Lynch and Cummings | Jour. Amer. Med. Assoc., 1918; lxxi, p. 2174. |
| 51. | Amer. Med. Association | Public Health Report, 1919; xxxiv, p. 1413. |
| 52. | Le Moignie and Pinoy | Compt. rendu. Soc. Biol., 1916; lxxix, pp. 201 and 352. |
| 52a. | Wright and Douglas | Proc. Royal Soc. Med., 1904; lxxiii, p. 128, and lxxiv, p. 147. |
| 53. | Neufeld and Rimpau | Zeitschr. f. Hyg., 1905; li, p. 283. |
| 54. | Rosenau | Prevent. Med. and Hyg., 1918. |
| 55. | Brown, Palfrey and Hart | Jour. Amer. Med. Assoc., 1919; lxxii, p. 463. |
| 56. | Gay | Typhoid fever. (Published by Macmillan Co., 1918.) |
| 57. | Eyre and Low | Lancet. I, April 5, 1919; p. 557. |