Poutrus, Patrice G. (2014). "Asylum in Postwar Germany: Refugee Admission Policies and Their Practical Implementation in the Federal Republic and the GDR Between the Late 1940s and the Mid-1970s". Journal of Contemporary History. 49 (1): 115–133. doi:10.1177/0022009413505667. JSTOR43697291. S2CID154558988.
Poutrus, Patrice G. (2014). "Asylum in Postwar Germany: Refugee Admission Policies and Their Practical Implementation in the Federal Republic and the GDR Between the Late 1940s and the Mid-1970s". Journal of Contemporary History. 49 (1): 115–133. doi:10.1177/0022009413505667. JSTOR43697291. S2CID154558988.
lexetius.com
In der vom 1. Januar 2005 bis 31. Oktober 2007 gültigen Version des AufenthG war die Erschleichung der Duldung nicht strafbar, siehe: Versionsunterschiede § 95 AufenthG.
Poutrus, Patrice G. (2014). "Asylum in Postwar Germany: Refugee Admission Policies and Their Practical Implementation in the Federal Republic and the GDR Between the Late 1940s and the Mid-1970s". Journal of Contemporary History. 49 (1): 115–133. doi:10.1177/0022009413505667. JSTOR43697291. S2CID154558988.