Yazar
richard c rohrs
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Cilt sonuçları
The Germans in Oklahoma
Richard C. Rohrs · University of Oklahoma Press
66 sayfa · 1980
German Americans / History / Germans, united states / Oklahoma, history
Guide to Quantitative History
Richard C. Rohrs, Robert Darcy · ABC-Clio Inc
Sayfa sayısı yok · 1991
Historiography / Quantitative Techniques In The Social Sciences / Reference