Hildegard Osten has written: 'Hildegard Osten'
Hildegard Kretschmer has written: 'Amsterdam'
Hildegard Blunck has written: 'Marco Polo'
Hildegard Hummel has written: 'Rudolf Borchardt'
Rudolf Harmsen has written: 'Love and war' -- subject(s): Psychology and philosophy, War (Philosophy), Philosophy, Love, Human evolution
K Harmsen has written: 'Behaviour of heavy metals in soils' -- subject(s): Heavy metal content, Soils, Soil chemistry
Hildegard Koppen-Augustin has written: 'Eckehard und Uta'
Hildegard Fillafer-Knechtl has written: 'Vageud nit die Zeit'
Hildegard Ried has written: 'Doch jedes Jahr bluhte der Birnenbaum'
Hildegard Kuhn-Oechsle has written: 'Ravensberg im 18. Jahrhundert'
Hildegard Kallmann-Bijl has written: 'A study of the structure of the ionosphere' -- subject(s): Ionosphere
Hildegard Schaeper has written: 'Hochschulausbildung in Japan' -- subject(s): Education, Higher, Higher Education