Perhaps you should try some spelling variations:
"donauschwabisches schrifttums der. 23" » "donauschwabisches schrifttum der. 23" (Expand Search), "dopnauschwabisches schrifttum der. 23" (Expand Search), "donauschwabisches christentum der. 23" (Expand Search)
"donauschwabische schrifttum und. 23" » "donauschwabisches schrifttum und. 23" (Expand Search), "dopnauschwabisches schrifttum und. 23" (Expand Search), "donauschwabisches christentum und. 23" (Expand Search), "donauschwabische schrifttum uber. 23" (Expand Search), "donauschwabische schrifttum der. 23" (Expand Search)

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