- Comprehensive Guide and Framework for Identification of Subjects: Levels and indicators of quality for biometrics, personal details and identity document
- History and Motives for Identification of Subjects: A comprehensive history of identifying citizens, suspects and migrants throughout the centuries
- Identity and Biometrics in Perspective of Samuel Langhorne Clemens: The life and works of the author Mark Twain in regard to the concepts of identity and biometrics
- Being creative with Software through the Ages: Two Decades of Developing and Using Computer Programs
- Dimensions of Time and Location: A different view on the possibilities of travelling through time across locations and space (Information Technology and Security)