Collection
Directory of Open Access Books
2,093
Twentieth Century North American Drama
2,058
Eighteenth Century Collections Online / ECCO
1,519
Teatro Espanol del Siglo de Oro
848
DeGruyter MPG Collection
519
Digi20
506
OAPEN
482
African Writers Series
318
Making of the Modern World
238
Der Literarische Expressionismus Online
142
O'Reilly
114
National Center for Biotechnology Information
85
Primary Sources for Slavic Studies
34
Springer eBooks 2005-
34
Cambridge Books Online
2
JSTOR Open Access Books
2
Brill Online Reference Works
1
Editoria Italiana Online
1
Ethnographic Video Online Vol. 1
1
Springer Book Archives -2004
1