Engels (2)

Up To €10 (0) € 10 Tot € 20 (1) € 20 Tot € 50 (1) € 50 En Meer (0)

Gutman, Dan (2) Mcdonald, Chine (2) Kroc, Ray (2) Fox, Robert W. (purdue University), Mcdonald, Alan T. (purdue University), Mitchell, John W. (the University Of Wisconsin (1) Mitchell, Brian (1)

2013 (1) 2011 (1)

Overig (2)