Springer eBooks 2005- 160 Oxford University Press 78 Springer Book Archives -2004 68 OAPEN 33 Nomos 32 Cambridge Books Online 31 JSTOR Open Access Books 25 Directory of Open Access Books 19 Oxford Handbook Online 15 Digi20 10 World Bank E-Library Archive 8 Edward Elgar eBooks Archive 1993-2015 7 Duncker & Humblot eBooks 2007- 5 Elsevier ScienceDirect eBooks 4 Brill Nijhoff E-Books Collections 2006-2008 3 Editoria Italiana Online 3 Making of the Modern World 3 Brill Nijhoff E-Books Collections 2009-2014 1 Credo Reference 1 Safari Tech Books Online 1