1889 – 1969
Bibliografía (11 obras)
California Gold Camps
2009
Jia zhou di ming ci dian
1989
California gold camps
1975
1000 California place names
1965
Bigler's Chronicle of the West
1962
Vita nostra brevis est
1959
California place names
1947
Sutter's Own Story
1936
Social conflicts in medieval German poetry
1934
German pioneers in early California
1927
Freiligraths Entwicklung als politischer Dichter
1922
