Friedrich Lauscher has written:
'Ozonbeobachtungen in Wien von 1853 bis 1981' -- subject(s): Atmospheric ozone, Climate, Observations
Friedrich Klages has written: 'Chemie'
Friedrich Barthel has written: 'Erdepfelblumme'
Friedrich Bechmann has written: 'Jacobis \\'
Friedrich Krapf has written: 'ALTBACH'
Friedrich Schurr has written: 'Cervantes'
Friedrich Martin Seitz has written: 'Friedrich Martin Seitz'
Friedrich von Sallet has written: 'Friedrich von Sallet'
Friedrich Meckseper has written: 'Friedrich Meckseper' -- subject(s): Exhibitions
Friedrich Staub has written: 'Schweizerisches Idiotikon'
Friedrich Hustedt has written: 'Bacillariophyta (Diatomeae)'
Friedrich Normann has written: 'Christos didaskolos'
Friedrich FROEBEL has written: 'The Education of man'