Autore:Oskar Backlund

Oskar

Backlund XIX secolo/XX secolo astronomo svedese

  1. 1,0 1,1 data.bnf.fr
  2. 2,0 2,1 Svenskt biografiskt lexikon
  3. Southern Africa Association for the Advancement of Science
  4. 4,0 4,1 Comité des travaux historiques et scientifiques
  5. Swedish church birth records