Mike Lawson/ Joe Barrett (NRT)
(4)
Abraham 1809-1865 Lincoln
(3)
Anthony Champagne/ Douglas B. Harris/ James W. Riddlesperger Jr./ Garrison Nelson
(2)
Daron Acemoglu/ James Robinson
(2)
Desmond S. King/ Rogers M. Smith
(2)
Haiko Hörnig/ Marius Pawlitza (ILT)
(2)