DH Coll. 5: The Public Library. Information Literacy and Democracy.
with texts by several writers
DH Coll. 4: Art and Architecture
with articles by several writers
DH Coll. 3: Sociology. Technology and Society.
with articles by several writers
DH Coll. 2: Education and Personal Development. Humanism and Humanistic Psychology.
with articles by several writers
DH Collection 1: Classical Music
with texts by several writers
Democratic and Authoritarian Political Systems in 21st Century World Society. Preface and Chapter 1.
by Anna L. Ahlers, Damien Krichewsky, Evelyn Moser, Rudolf Stichweh