found: Das französische Pfandrecht im Mittelalter, 1879:t.p. (Dr. Alex Franken, a.o. Professor der Rechte in Greifswald)
found: RLIN, Nov. 19, 1999(hdg.: Franken, Alex, 1847-1896; usage: Alex Franken)
found: German Wikipedia, 10 Jan. 2018(Alex Franken; also: Alexander Franken; full name: Franz Alexander Franken; born 7 Oct. 1847 in Düsseldorf; died 4 Oct. 1896 in Jena; German jurist; studied at the Universität Bonn, the Universität Heidelberg, and the Universität Berlin; received his doctorate in 1874 with the treatise De principali interventione et oppositione tertii Gallici processus; worked as a lawyer in Cologne; professor at Universität Greifswald and Universität Jena; author of Geschichte des französischen Pfandrechts im Mittelalter (1879), Romanisten und Germanisten (1882), and Lehrbuch des deutschen Privatrechts (1894))