Eug. de Seyn has written:
'Dessinateurs'
Eug Bochart is not a known author. It's possible you may be referring to French classical scholar Samuel Bochart, known for his works on geography and biblical studies in the 17th century.
De Ouyang has written: 'Ouyang De ji'
Richard De La Mare has written: 'Author to public'
A. de Boucherville has written: 'Les joies de l'esprit'
Anthonis de Roovere has written: 'De gedichten'
De Masseville. has written: 'Histoire sommaire de Normandie'
Patricia de Groot has written: 'De achteroverval'
A. de Beauchesne has written: 'The Bourbon prince'
Bibhas De has written: 'In winter once'
Mari a de Montserrat has written: '\\'
A. de Zeeuw has written: 'Plants and Politics'
A. de Gentelles has written: 'Adelaide Herbert'