Rik Valkenburg has written:
'Dwars door lood en dood' -- subject(s): World War, 1939-1945, Fiction
'Het leven in eigen hand?' -- subject(s): Medical ethics, Miscellanea
'Laat zich 't orgel overal--' -- subject(s): Organ (Musical instrument), Organists
'Wedloep door brandend gevaar' -- subject(s): World War, 1939-1945, Fiction
'Een mens in haatuniform'
Paul I. Van Valkenburg has written: 'The Van Valkenburg family in America' -- subject(s): Genealogy
Rik Wouters has written: 'Rik Wouters, 1882-1916'
Els Valkenburg has written: 'Understanding multiple chemical sensitivity' -- subject(s): Multiple chemical sensitivity, Popular works
Nicholas Valkenburg has written: 'Occurrence of iron bacteria in ground-water supplies of Alabama' -- subject(s): Groundwater, Iron bacteria, Microbiology
Ton Valkenburg has written: 'Ere wie ere toekomt' 'Mensen in de ouderdom' -- subject(s): Social work with older people
Rik Hoet has written: '\\' -- subject(s): Bible, Criticism, interpretation
Rik Neven has written: 'Vlaamse architectuur vanuit de lucht ='
Rik Espinosa has written: 'Espinosa's guide to Baja' -- subject(s): Guidebooks
Rik Levins has written: 'Cycle of fire' -- subject(s): Comic books, strips
Rik Brydson has written: 'Electron energy loss spectroscopy' -- subject(s): Electron energy loss spectroscopy
Rik Van Lent has written: 'Van Lent' -- subject(s): Portraits, Horsemen and horsewomen, Arabian horse, Pictorial works
Rik Vos has written: 'We hebben ze weer met genoegen bekeken--' -- subject(s): Exhibitions, Illustration of books, Illustrations, Textbooks