[1] Rheinstein, Teaching Tools in Comparative Law, 1 Am. J. Cos p. LAW 104(1952) ; McDougal, Conservative Study of Law for Policy Purposes, 1 Ams. J. Comp. LAW 34 (1952).

[2] Usatorre et al. v. The Victoria et al., 172 F. 2d 434 (2d Cir. 1949). See comments by Nussbaum, Proving the Law of Foreign Countries, 3 Am. J.ComP. LAW10 60-67 (1954)

[3]https://blog.ipleaders.in/a-comparison-between-civil-law-countries-and-common-law-countries/#The_historical_origins_of_common_and_civil_law_systems

[4] James R. Maxeiner, pleading and Access to civil procedure: Historical and comparative reflections on Iqbol, A day in court and decision according to law, 26 March 2010