[435]. Mem. iv. 2. 22.
[436]. Cyrop. viii. 2. 5 f.; cf. also ii. 1. 21, of military labor.
[438]. Op. cit., I, iii.
[439]. Op. cit., p. 40; cf. also Dühring, Kritische Geschichte der Nationalökonomie und des Socialismus, p. 22.
[440]. Cyrop. viii. 2. 5 f., cited above.
[441]. Mem. iii. 9. 3.
[442]. Econ. viii.
[443]. Econ. iii. 4; v. 16; ix. 11; xiii; Rev. iv. 17 ff.
[444]. Econ. iii. 4.