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.

Gustave Grupe to Marie Grupe, January 2, 1909

Letter from Gustave Grupe to his aunt, Marie Grupe, January 2, 1909.

Gustave Grupe to Marie Grupe, May 12, 1907

Letter from Gustave Grupe to his aunt, Marie Grupe, May 12, 1907.

Eugen Haas to Eugen Klee, February 8, 1926

Letter from Eugen Haas to his uncle, Eugen Klee, dated February 8, 1926.

Theodor Engelmann to Margarethe Hilgard, February, 1838

Letter from Theodor Engelmann to his sister Margarethe Engelmann Hilgard, February, 1838.

Theodor Engelmann to Margarethe Hilgard, January 21, 1837

Letter from Theodor Engelmann to his sister Margarethe Engelmann Hilgard, January 21, 1837.

Theodor Engelmann to Margarethe Hilgard, January 20, 1836

Letter from Theodor Engelmann to his sister Margarethe Engelmann Hilgard, January 20, 1836.

Theodor Engelmann to Margarethe Hilgard, July 30, 1834

Letter from Theodor Engelmann to his sister Margarethe Engelmann Hilgard, July 30, 1834.

Sophie Engelmann to Margarethe Hilgard, December 10, 1833

Letter from Sophie Engelmann to her sister Margarethe Engelmann Hilgard, December 10, 1833.

Charlotte Engelmann to Margarethe Hilgard, December 3, 1833

Letter from Charlotte Engelmann to her sister Margarethe Engelmann Hilgard, December 3, 1833.

Wuellner family letter, July 11, year unknown

Wuellner family letter, July 11, year unknown.