cx a22 3 45 136764339 http://www.idref.fr/136764339 20090923 20260619143447.000 751052105 751052105 Tp5 000000007976496X ISNI VIAF 20200401 http://viaf.org/viaf/62318578 VIAF VIAF 20200401 https://www.persee.fr/authority/238201 PERSEE PERSEE 20240429 20090923afrey50 ba0 ger 639-2 DE 1873 1946 0 1 0 ba AFNOR ba0yba0y 0 Oppermann Otto Alexander 1873-1946 ba0yba0y Historien. FR Abes 20260619 AFNOR LCA, 2009-09-23 VIAF : Oppermann, Otto (Otto Alexander), 1873-1946, https://viaf.org/fr/viaf/62318578, 2026-06-19 "1873" ; "1946" ; "Historien." Oppermann, Otto Alexander (1873-1946)