W. J. J. Spry

1906

• The cruise of Her Majesty's ship "Challenger"
• The cruise of Her Majesty's ship "Challenger"
• The cruise of Her Majesty's ship "Challenger"
• The cruise of Her Majesty's Ship Challenger
• The cruise of Her Majesty's ship "Challenger"
• Zum tiefsten Punkt der Weltmeere