Petra Haumersen has written:
'Eine schwierige Utopie' -- subject(s): Multicultural education, Relations
Petra Urban has written: 'Septemberlicht'
Petra Meyer has written: 'Millennium Fieber!'
Petra Blum has written: 'Motoring the future'
Petra Oelker has written: 'Hamburger Streassenratsel'
Petra Dindinger has written: 'La barrera'
Petra Matern has written: 'Helios und Sol'
Petra von Morstein has written: 'An alle'
Petra Hauke has written: 'Planck-Bibliographie' -- subject(s): Bibliography
Petra Engels-Fietzek has written: 'Bleib am Ball, Flo!'
Petra Bollmann has written: 'Technischer Fortschritt und wirtschaftlicher Wandel'
Petra Krische has written: 'Aspekte einer Psychologie des Gewissens'
Christine Petra Sellin has written: 'Fractured families and rebel maidservants'