Chairs:
Visiting professorship, Queens College, Aberdeen, Schotland (1967-68); Research fellow, Kress Library (Harvard) (1968); fellow Woodrow Wilson International Center for Scholars, Washington DC (1976-76); fellow Institute for Advanced Study, Princeton (academiejaren 1981-82, 1990-91); fellow All Souls College, Oxford (Hilary and Trinity term 1985); fellow Indiana University Institute for Advanced Study, Bloomington (Indiana) (August 1986); Jan Tinbergen leerstoel, Erasmusuniversiteit Rotterdam (1986-87); gasthoogleraar Université de Paris IV (Sorbonne) (1987-88); Ellen MacArthur leerstoel, Cambridge, UK (1989); gasthoogleraar Universita degli Studi della Repubblica di San Marino (1990); gasthoogleraar, Université de Genève (1991-92); P.P. Rubens leerstoel, University of California at Berkeley (Spring-semester 1994); fellow Institute of Advanced Study, National Australian University, Canberra (1994); Erasmusleerstoel, Harvard University (Spring-semester 1997); invited guest of the Rector, the Netherlands Institute for Advanced Study (NIAS), Wassenaar (Fall term, 1998); fellow Wissenschaftkolleg zu Berlin (2004); fellow Wissenschaftzentrum für Sozialforschung, Berlijn (2004); Distinguished John W. Kluge Chair for the History and Culture of the Countries of the North, Washington DC (2007-08).
