Pound, Roscoe. "Scope and Purpose of Sociological Jurisprudence." Harv. L. Rev. 24 (1910): 591. [1]
Wilfrid E. Rumble, Jr., "Legal Realism, Sociological Jurisprudence and Mr. Justice Holmes," Journal of the History of Ideas (1965) 26#4 pp. 547-566 in JSTOR
Steffen Roth and Anton Schutz: Ten systems. Toward a canon of function systems. In: Cybernetics and Human Knowing, Vol. 22, No. 4., 2015. Vorversion verfügbar (englisch; online auf ssrn.com).
For a discussion on the disparity between Western and non-Western sociology of law see Banakar 2011 at https://ssrn.com/abstract=1761466