[843] _Cf._ FLOWER, "Prostitution Within the Marriage Bond," _Arena_, XIII, 59-73; _idem_, "Wellsprings of Immorality," _ibid._, XI, 56-70; HEINZEN, _The Rights of Women and the Sexual Relations_, 44 ff.; STETSON, _Women and Economics_, 63 ff.; CAIRD, _Morality of Marriage_, 73-91, 134 ff., discussing the influence of the Reformation upon sensuality; KARL PEARSON, "Socialism and Sex," in his _Ethic of Free Thought_, 427-46, on the alleged evil influence of Luther on the sex-relations; BEBEL, _Die Frau und der Sozialismus_, 93 ff., taking the opposite view as to Luther, and considering the causes of the decline in the birth and marriage rates. The traditional opinion is represented by NAUMANN, _Christenthum und Familie_, 21, 22, who believes in getting children at all hazards, relying on God to take care of them: "Es gibt auch Christen," he says, "welche sich vor Entfaltung des vollen Gottessegens in den Ehen fürchten, ganz als ob es nicht wahr wäre: was unser Gott erschaffen hat, das will er auch erhalten. In unsern Augen ist es Glaubensschwäche, wenn ein christliches Volk sich vor dem Gottessegen reicher, blühender Kinderschaaren fürchtet." On the same side see HARTMANN, _The Sexes Compared_, 28 ff.; POMEROY, _The Ethics of Marriage_, 45 ff., 94 ff. For an antidote read the able discussion of the diminishing need of child-bearing under modern conditions, by OLIVE SCHREINER, "The Woman Question," _Cosmopolitan_, XXVIII, 51 ff.; and LADY SOMERSET, "The Welcome Child," _Arena_, XII, 42-49; criticised by USSHER, _Neo-Malthusianism_, 101 ff., 201. _Cf._ WRIGHT, _Practical Sociology_, 68 ff.; BERTHEAU, _Lois de la population_, 299 ff., 342 ff.