Isaiah Interpreted by Early Christian and Medieval Commentators Wilken, Robert Louis Innbundet / 2007 / Engelsk
Land Called Holy Palestine in Christian History and Thought Wilken, Robert Louis Heftet / 1994 / Engelsk
Spirit of Early Christian Thought Seeking the Face of God Wilken, Robert Louis Heftet / 2005 / Engelsk
Dynamisches Benchmarking Ein Verfahren auf Basis der Data Envelopment Analysis Wilken, Robert Heftet / 2007 / Tysk
