Morris U. Schappes A Documentary History of the Jews in the United States, 1654-1875, The Citadel Press: New York, 1950, 762 pp., 1950, 1857, 1950
Schappes' footnote:
"5) . . . On September 9, 1850, when California was admitted to the Union, [John Charles] Fremont became one of its first United States Senators, failing of re-election, however, because of his anti-slavery views.