Oskar Matulla has written:
'Oskar Matulla 1975'
Oskar Emmelmann has written: 'Wasserrecht'
Oskar Verkaaik has written: 'Pakistan'
Oskar Weissbach has written: 'The Beilstein guide'
Oskar Walzel has written: 'Das Wortkunstwerk'
Oskar Batschmann has written: 'Nicolas Poussin'
Oskar Prozesky has written: 'The wrath of the lamb'
Oskar A. Johannsen has written: 'Embryology of insects and myriapods'
Oskar Weggel has written: 'Taiwan, Hong Hongkong'
Oskar Hovorka has written: 'Die aeussere nase'
Oskar Welten has written: 'Wenn junge Frauen durchgeh'n'
Heinz Oskar Wuttig has written: 'Der forellenhof'
Oskar Schultz-Gora has written: 'Altprovenzalisches Elementarbuch'