[31] A notable discussion of the Delbrück Law is to be found in an article by T. H. Thiesing, “Dual Allegiance in the German Law of Nationality and American Citizenship.” Yale Review, 27:4 (February, 1919). See also R. Flournoy in American Journal of International Law, 8:480 (July, 1914), and the Meyer Reichs-und-Staatsangehorigkeitsgesetz vom 22 Juli, 1913. Berlin, 1913, p. 168-E.; also Edwin M. Borchard, The Diplomatic Protection of Citizens Abroad, p. 576; also Hall, International Law, revision by A. Pearce Higgins, pp. 245-246.
[32] The status of declarants in this and other relationships is fully discussed by Edwin M. Borchard, in The Diplomatic Protection of Citizens Abroad, pp. 501 et seq. and 568 et seq., with elaborate footnotes citing authorities and precedents.
[33] See Edwin M. Borchard, The Diplomatic Protection of Citizens Abroad, pp. 19, 591.
[34] See chap. vi, [p. 148] et seq.
[35] 21 Wallace, 162.
[36] Butchers’ Benevolent Association vs. Crescent City Live Stock Company, 16 Wallace, 36.
[37] McClain, Constitutional Law in the United States, p. 276.
[38] See Willoughby on the Constitution, i, p. 272.
[39] See in re Wehlitz, 16 Wisconsin, 443.
[40] United States vs. Cruikshank, 92 U. S., 542.