Gustave Grupe to Marie Grupe, August 4, 1919

Letter from Gustave Grupe to his aunt, Marie Grupe, August 4, 1919.

Gustave Grupe to Marie Grupe, April 18, 1916

Letter from Gustave Grupe to his aunt, Marie Grupe, April 18, 1916.

Gustave Grupe to Marie Grupe, March 26, 1916

Postcard from Gustave Grupe to his aunt, Marie Grupe, March 26, 1916.

Gustave Grupe to Marie Grupe, December 4, 1914

Letter from Gustave Grupe to his aunt, Marie Grupe, December 4, 1914.

Gustave Grupe to Marie Grupe, December 15, 1913

Letter from Gustave Grupe to his aunt, Marie Grupe, December 15, 1913.

Gustave Grupe to Marie Grupe, September 3, 1913

Letter from Gustave Grupe to his aunt, Marie Grupe, September 3, 1913.

Gustave Grupe to Marie Grupe, February 20, 1913

Letter from Gustave Grupe to his aunt, Marie Grupe, February 20, 1913.

Gustave Grupe to Marie Grupe, May 5, 1912

Letter from Gustave Grupe to his aunt, Marie Grupe, May 5, 1912.

Gustave Grupe to Marie Grupe, December 31, 1911

Letter from Gustave Grupe to his aunt, Marie Grupe, December 31, 1911.

Gustave Grupe to Marie Grupe, May 22, 1911

Letter from Gustave Grupe to his aunt, Marie Grupe, May 22, 1911.

Gustave Grupe to Marie Grupe, April 18, 1911

Letter from Gustave Grupe to his aunt, Marie Grupe, April 18, 1911.

Maria Baur Eichner to Friedricka Baur Eichner, June 27, 1912

Letter from Maria Eichner dated June 27, 1912.

Pauline Schwald and Maria Baur Eichner to Friedricka Baur Eichner, March 4, 1911

Letter from Pauline Schwald and Maria Baur Eichner to Friedricka Baur Eichner, March 4, 1911.

Pauline Schwald to Florence Eichner Seiz, December 7, 1919

Letter from Pauline Schwald dated December 7, 1919. The letter was addressed to her niece, Florence Eichner Seiz, but was meant to be read by all of her nieces and nephews in the United States.

Pauline Schwald to Florence Eichner Seiz, September 14, 1919

Letter from Pauline Schwald dated September 14, 1919. The letter was addressed to her niece, Florence Eichner Seiz, but was meant to be read by all of her nieces and nephews in the United States.

Baur-Eichner family letter, June 11, 1914

Letter from Pauline Schwald dated June 11, 1914. The letter was addressed to her niece, Florence Eichner Seiz, but was meant to be read by all of her nieces and nephews in the United States.

Franziska Mansolf to Maria Peffer, July 31, 1919

Letter from Franziska Mansolf to her sister, Maria Ziegenhagen Peffer, July 31, 1919.

Eugen Haas to Eugen Klee, August 13, 1911

Letter from Eugen Haas to Eugen Klee, August 13, 1911. Eugen Haas was the nephew of Eugen Klee.

Lenchen Cherdron to Eugen Klee, July 22, 1911

Letter from Magdalena (“Lenchen”) Cherdron to Eugen Klee, July 22, 1911. “Lenchen” Cherdron was the first cousin of Eugen Klee.

Eugen Haas to Eugen Klee, July 2, 1911

Postcard from Eugen Haas to Eugen Klee, July 2, 1911. Eugen Haas was the nephew of Eugen Klee.