Tags: 1912; Bourgeoisie; Charles Keyes; Duesseldorf, Germany; Education; German Americans in Germany; Germany; Holland; Imperial Germany
Tags: 1912; Bourgeoisie; Britain; Charles Keyes; Education; England; German Americans in Germany; Germany; Imperial Germany; Politics
Tags: 1912; Bourgeoisie; Charles Keyes; Education; England; German Americans in Germany; Germany; Imperial Germany
Tags: 1912; Bourgeoisie; Charles Keyes; Education; German Americans in Germany; Germany; Imperial Germany; London, Germany
Tags: 1912; Bourgeoisie; Charles Keyes; England; German Americans in Germany; Germany; Imperial Germany; Massachusetts; Ocean Travel
Tags: Personal Correspondence
Tags: 1916; Anti-German Sentiment; Banking; Business; Personal Correspondence; World War I
Tags: 1910; Brewing; German Relatives; Leisure; New York; Personal Correspondence; Rathskeller; Rehder, Max; Washington, D.C.
Tags: 1915; French Language; German Relatives; Personal Correspondence; Switzerland; World War I
Tags: 1919; German Relatives; Personal Correspondence; Switzerland
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