Perhaps you should try some spelling variations:
"donauschwabischen schrifttum nr. 23" » "dopnauschwabisches schrifttum nr. 23" (Expand Search), "donauschwabisches christentum nr. 23" (Expand Search), "donauschwabischen geschichte nr. 23" (Expand Search), "donauschwabischen schrifttum und. 23" (Expand Search), "donauschwabischen schrifttum _. 23" (Expand Search), "donauschwabischen schrifttum im. 23" (Expand Search)
"donauschwabisches schrifttum der. 23" » "donauschwabisches schrifttums der. 23" (Expand Search), "donauschwabisches schrifttum uber. 23" (Expand Search), "donauschwabisches schrifttum heft. 23" (Expand Search)

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