She has published twelve books and over 60 articles, in recent years mostly on migration. Her latest publications include Illegal Migration and Gender in a Global and Historical Perspective (Amsterdam 2008) (with Joanne van der Leun, Leo Lucassen and Chris Quispel) and Komen en Gaan. Inmmigratie en Emigratie in Nederland vanaf 1550 (Amsterdam 2008) with Herman Obdeijn. She is currently leading a large (NWO VICI) research project on gender and migration.