2 Persons

• Fitzroy, Robert

  born 5. July 1805; died 30. April 1865

  	Great circle sailing [Erscheinungsort nicht ermittelbar] : [Verlag nicht ermittelbar], February 18, 1858
  	Swinging ship for deviation board fo trade 2. ed., (with additions), London : Potter, 1859

• Fritsche, Hermann

  born 1839; died 1913

  Observations magnétiques sur 509 lieux faites en Asie et en Europe pendant la période de 1867-1894 St. Petersbourg : Jacobsen, 1897