21
by Thomas, William
Published 1825
Printed by G. Angus, and sold by W. Heaton, Sandhill, and J. Finlay

22
Published 2009
Springer Netherlands

28
by Florea, Daniel
Published 2010
International Monetary Fund

29
Published 2011
Springer Netherlands

30
Published 2019
Oxford University Press

32
Published 1986
Springer Netherlands

33
Published 2012
Springer Berlin Heidelberg

35
by Heydtmann, Mathis
Published 2019
Frontiers Media SA

40
by Onnekink, D.
Published 2016
Brill