Report of the Proceedings of the Third Entomological Meeting held at Pusa, 1919

Geahča maid

• Report of the proceedings of the third Entomological Meeting held at Pusa on the 3rd to 15th February 1919
  Almmustuhtton: (1920)
• Report of the proceedings of the third Entomological Meeting held at Pusa on the 3rd to 15th February 1919
  Almmustuhtton: (1920)
• Report of the proceedings of the third Entomological Meeting held at Pusa on the 3rd to 15th February 1919
  Almmustuhtton: (1920)
• Report of the proceedings of the fourth Entomological Meeting held at Pusa on the 7th to 12th February 1921
  Almmustuhtton: (1921)
• Report of the proceedings of the second Entomological Meeting held at Pusa on the 5th to 12th February 1917
  Almmustuhtton: (1917)