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Schweitzer-Guggenheimer Letter Collection

This collection of letters centers on Isaac Schweitzer, a merchant from the community of Mühringen who immigrated to the United States in the 1860s. He remained in the United States for almost twenty years, eventually marrying Isabella Guggenheimer, the U.S.-born daughter of two German immigrants. Eventually, Isaac returned to Germany with Isabella and remained there for the rest of his life.

Archive: Leo Baeck Institute New York | Berlin

Further Information : Schweitzer-Guggenheimer letter collection, 1859-1898 (Leo Baeck Institute call number AR 25837).

Schweitzer family letter, Dec. 18, 1872

Schweitzer family letter, Dec. 18, 1872

Isaac Schweitzer to his family, June 19, 1879

Isaac Schweitzer to his family, June 19, 1879

Isaac Schweitzer to Schweitzer family, March 29, 1876

Isaac Schweitzer to Schweitzer family, March 29, 1876

Letter from Isaac Schweitzer to the Schweitzer family, March 29, 1876.
Schweitzer family letter, March 9, 1873

Schweitzer family letter, March 9, 1873

Schweitzer family letter, January 28, 1875

Schweitzer family letter, January 28, 1875

Bertha Meyer to family, Nov. 17, 1870

Bertha Meyer to family, Nov. 17, 1870

no image available

Ernestine Schweitzer to Isaac Schweitzer, February 5, 1896

Schweitzer family letter, August 7, 1866

Schweitzer family letter, August 7, 1866

Berthe Schweitzer to family, May 21, 1870

Berthe Schweitzer to family, May 21, 1870

Isaac Schweitzer to family, Jan. 6, 1876

Isaac Schweitzer to family, Jan. 6, 1876

Berthe Schweitzer to Isaac Schweitzer, February 5, 1897

Berthe Schweitzer to Isaac Schweitzer, February 5, 1897

Schweitzer family letter, May 16, 1874

Schweitzer family letter, May 16, 1874

Schweitzer family letter, January 11, 1868

Schweitzer family letter, January 11, 1868

Schweitzer family letter, September 25, 1874

Schweitzer family letter, September 25, 1874

Schweitzer family letter, April 22, 1860

Schweitzer family letter, April 22, 1860

Bertha Meyer to family, June 9, 1872

Bertha Meyer to family, June 9, 1872

no image available

Isaac Schweitzer to Hermann Bach, September 30, 1898

no image available

Hermann Bach to Isaac Schweitzer, September 28, 1898

Schweitzer family letter, January 3, 1873

Schweitzer family letter, January 3, 1873

Schweitzer family letter, April 3, 1865

Schweitzer family letter, April 3, 1865

Schweitzer family letter, May 20, 1865

Schweitzer family letter, May 20, 1865

Isaac Schweitzer to family, December 13, 1863

Isaac Schweitzer to family, December 13, 1863

Bertha Meyer to family, July 7, 1872

Bertha Meyer to family, July 7, 1872

Isaac Schweitzer to Isabella Guggenheimer Schweitzer, January 10, 1877

Isaac Schweitzer to Isabella Guggenheimer Schweitzer, January 10, 1877

Isaac Schweitzer to Isabella Guggenheimer Schweitzer, February 27, 1877

Isaac Schweitzer to Isabella Guggenheimer Schweitzer, February 27, 1877

Letter from Isaac Schweitzer to his wife Isabella Guggenheimer Schweitzer, February 27, 1877. The couple had married in the United States in 1875. In summer 1876 Isaac Schweitzer returned by himself to Germany, his home country, to seek out new…
Isaac Schweitzer [?] to Bertha and Julius Gerstle, April 4, 1897 [fragment]

Isaac Schweitzer [?] to Bertha and Julius Gerstle, April 4, 1897 [fragment]

Letter to Bertha Guggenheimer Gerstle ("Birdie") and her husband Julius Gerstle, probably written by Isaac Schweitzer, April 4, 1897. Schweitzer's wife Isabella Guggenheimer Schweitzer was Bertha Gerstle's older sister. The letter evidently discusses…
Isaac Schweitzer to Isabella Schweitzer, November 29, 1876

Isaac Schweitzer to Isabella Schweitzer, November 29, 1876

Isaac Schweitzer to Isabella Schweitzer, February 4, 1877

Isaac Schweitzer to Isabella Schweitzer, February 4, 1877

Isaac Schweitzer to Isabella Guggenheimer, July 9, 1874

Isaac Schweitzer to Isabella Guggenheimer, July 9, 1874

Letter from Isaac Schweitzer to Isabella Guggenheimer, written July 9, 1874. A year later the pair would marry.
Schweitzer family letter, July 28, 1875

Schweitzer family letter, July 28, 1875

Letter from Hirsch Schweitzer, his wife Marie "Malchen" Schweitzer, and their daughter, Ernestine Schweitzer, sent from their home in Mühringen to their son Isaac Schweitzer, who had emigrated to the United States and was then living in Baltimore.…
Isaac Schweitzer to Schweitzer family, September 18, 1867

Isaac Schweitzer to Schweitzer family, September 18, 1867

Letter from Isaac Schweitzer to his family in Germany, namely his parents Hirsch and Malchen Schweitzer and his sisters Ernestine and Louise, written in Philadelphia on September 18, 1867.
Isabella Guggenheimer (Schweitzer) to Schweitzer family, March 30, 1876

Isabella Guggenheimer (Schweitzer) to Schweitzer family, March 30, 1876

Letter from Isabella Guggenheimer (Schweitzer) to the Schweitzer family, March 30, 1876.
Isaac Schweitzer to Schweitzer family, December 2, 1866

Isaac Schweitzer to Schweitzer family, December 2, 1866

Letter from Isaac Schweitzer to the Schweitzer family, December 2, 1866.
Schweitzer family letter, August 18, 1869

Schweitzer family letter, August 18, 1869

Schweitzer family letter, August 18, 1869.
Schweitzer family letter to Isabella Guggenheimer, July 28, 1875

Schweitzer family letter to Isabella Guggenheimer, July 28, 1875

Letters from Isaac Schweitzer and Ernestine Schweitzer to Isabella Guggenheimer, July 28, 1875.
Schweitzer family letter, August 9, 1860

Schweitzer family letter, August 9, 1860

Schweitzer family letter, August 9, 1860.
Isaac Schweitzer to Schweitzer family, August 23, 1868

Isaac Schweitzer to Schweitzer family, August 23, 1868

Letter from Isaac Schweitzer to the Schweitzer family, August 23, 1868.
Isaac Schweitzer to Schweitzer family, October 4, 1868

Isaac Schweitzer to Schweitzer family, October 4, 1868

Letter from Isaac Schweitzer to the Schweitzer family, October 4, 1868.
Schweitzer family letter, March 25, 1867

Schweitzer family letter, March 25, 1867

Schweitzer family letter, March 25, 1867.
Isaac Schweitzer to Schweitzer family, August 8, 1869

Isaac Schweitzer to Schweitzer family, August 8, 1869

Letter from Isaac Schweitzer to the Schweitzer family, August 8, 1869.
Isaac Schweitzer to Schweitzer family, October 24, 1869

Isaac Schweitzer to Schweitzer family, October 24, 1869

Letter from Isaac Schweitzer to the Schweitzer family, October 24, 1869.
Isaac Schweitzer to Schweitzer family, May 23, 1869

Isaac Schweitzer to Schweitzer family, May 23, 1869

Letter from Isaac Schweitzer to the Schweitzer family, May 23, 1869.
Isaac Schweitzer to Schweitzer family, January 5, 1873

Isaac Schweitzer to Schweitzer family, January 5, 1873

Letter from Isaac Schweitzer to the Schweitzer family, January 5, 1873.
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