"BE FRUITFUL AND MULTIPLY"
8. b. Shabbat 110b.
9. Mishnah Ketubot 5.6.
10. Mekhilta Ex 21.10; Ket 61b; Tur, Shulhan Arukh Even Haezer 76. 11. Mishnah Ketubot 5.7, b. Nedarim 20b.
12. b. Sanhedrin 75a.
13. Bamidbar Rabbah 9 commenting on Ezekiel 16.31.
14. Vayigra Rabbah 23.
15. Matthew 5.28.
16. b. Berakhot 61a, 24a, Epstein pp. 104-131.
17. Yad, Hilkhot Yom Tov 6.21.
18. Epstein , Op. Cit., p. 76.
19. b. Sukkah 51b.
20. Epstein , Op.Cit., pp 83-93.
21. b. Kiddushin 82a, Ketubot 6b, Shabbat 118a, Avodah Zarah 22b.
24. b. Yeb 36b.
25. The codes went beyond the requirements of two children Yeb 6.61; Yad Hil. Isheret 15.6; Shulhan Arukh, Even Haezer 1.5.
26. The thorough responsum of Jacob Z. Lauderbach"Birth Control, " in American Reform Responsa, Walter Jacob ,(ed), New York , 1983, pp 485 ff, discusses all the sources. Yeb 34b.
27. John M. Riddle, Contraception and Abortion from the Ancient World to the Renaissance, Cambridge, 1992.