- Kalecki, Michał, 1899-1970 (2)
- Organisation for Economic Co-operation and Development (2)
- Osiatyński, Jerzy, 1941- (2)
- International Labour Office (1)
- Khan, Azizur Rahman (1)
- Kisiel, Chester Adam (1)
- Lerner, Abba Ptachya, 1903- (1)
- Malinvaud, Edmond, 1923- (1)
- McCracken, Paul Winston, 1915- (1)
- United Nations Development Programme (1)
- University of Oxford. Institute of Statistics (1)