Seligman, Edwin R.A. Seligman's Encyclopaedia of The Social Sciences : Laboulaya - Ledru-Rollin (vol.-9, Part-I) / edited by Edwin R.A. Seligman [et...al] - New Delhi: Cosmo Publications, 2006. - xxi, 318p. ISBN: 8130704897 Dewey Class. No.: 300.3 / SEL/S