Abegg. “Festschr. zur Feer des 50-jähr. Jub. d. Ges. für Gebürts. und Gyn. in Berlin, herausgegeben von der Deutsch. Ges. für Gyn.,” Wien, 1894, p. 164.
2.
AhlfeldF. “Lehrbuch der Gebürtshilfe,” 1898, p. 2.
3.
Axenfeld. Neurol. Centraibl., 1903, p. 608.
4.
Barker. Philadel. Med. Times, December 12, 1874.
5.
BellW. Blair. “Calcium Salts in the Blood and Tissues,. Brit. Med. Journ., 1907, i., p. 920.
6.
Ibid. “Some Observations on the Physiological Importance of the Calcium Salts,. Liverpool Med.-Chir. Journ., July, 1908, xxviii., p. 388.
7.
BirnbaumOsten. “Investigations on the Coagulation of the Blood during Menstruation,. Archiv. für Gynäk., 1906, lxxx., p. 373. (These investigators were unable to determine the causal factor.)
8.
Bland-SuttonJ.“The Surgical Diseases of the Ovaries and Fallopian Tubes”new ed., 1896, pp. 9 and 16.
9.
BurnsJohnDr. “The Principles of Midwifery, including the Diseases of Women and Children,” 1809, p. 95.
10.
CushingHarvey. Journ. Nerv. and Ment. Dis., 1906, xxxiii., p. 292.
11.
Gabritschewsky. Ann. de l'Inst. Pasteur, 1894, viii., p. 673.
12.
GeddesThomson. “Evolution of Sex”, revised ed., Lond., 1901.
13.
HeapeW.“The Menstruation and Ovulation of Macacus rhesus,. Phil. Trans. Roy. Soc., ser. “B,” 1897, clxxxviii.
14.
Ibid. “The Sexual Season of Animals and the Relation of the Pro-œstrum to Menstruation,. Quarterly Journ. Micros. Soc., 1900, xliv.
15.
Hippocrates. Aphorism 3. (Sydenham Soc. Trans., by Francis Adams).
16.
Ibid. Aphorism 33.
17.
Ibid. Aphorism 39.
18.
Ibid. Aphorism 50.
19.
Johnstone. “The Menstrual Organ,. Brit. Gyn. Journ., 1886, p. 292.
20.
Marshall. “The œstrous Cycle and the Formation of the Corpus Luteum in Sheep,. Phil. Trans. Roy. Soc., ser. “B,” 1903, cxcvi., p. 47.
21.
MarshallJolly. “The œstrous Cycle in the Dog,. Proc. Roy. Soc., ser. “B,” cxcviii., p. 115.
22.
PareyAmbrose. “The Workes of that Famous Chirurgeon, Ambrose Parey, translated out of Latine and Compared with the French,” Tho. Johnson, London, 1649, lib. xxiv., chap. 50.
23.
Patellani. Ann. d' Obstet. e Gin., 1907, March and April.
24.
Pfluger. “Ueber die Bedeutung und Ursache der Menstruation,” Berl., 1865.
25.
Polano. Münch. med. Wochenschr., 1907, No. 35, p. 1731.
26.
Ritchie. Lond. Med. Gaz., 1843–4, N.S. i. and ii.
27.
ShawPeter. “Diseases peculiar to Women,”3rd ed., 1730, ii.
28.
Sigismund, “Ueber das Wesen der Menstruation,. Berl. klin. Wochenschr., 1871, viii., p. 624.
29.
Stevenson. “On the Menstrual Wave,. Amer. Journ. Obstet., 1882, xv., p. 287.
30.
Strassmann. “Beitrag zur Lehre von der Ovulation, Menstruation und Conception,. Arch, f Gynäk., 1896, 1., p. 473.
31.
TaitLawson. Med. Times, Lond., May 10, 1884, p. 619
32.
Winterhalter. “Ein sympathisches Ganglion im menslichen Ovarium,. Archiv. f. Gynäk., 1896, li., p. 49.