Alfred Freddy Krupa
Alfred Krupa Sr. (1915-1989)
glas_2008 Osvrt na izložbu Alfreda F. Krupe
Krupa Family as Part of Davidic-Solomonic Population
Y-DNA Khazar-Ashina Evidences for Krupa Family
Indigenous Y Alfred Krupa Report
Krupa- Levitribe DNA Link