Works
- Park Synagoge / Cleveland
- Letter from: 28.10.1945, San Francisco
- Letter from: 18.11.1945, San Francisco
- Letter from: 29.11.1945 + 14.12.1945, Croton-on-Hudson (N.Y.)
- Letter from: 2.3.1946, Saint Louis
- Letter from: 6.3.1946, Cleveland
- Letter from: 8.3.1946, San Francisco (Calif.)
- Letter from: 11.6.1946, San Francisco
- Letter from: 14.6.1946, San Francisco
- Letter from: 17.6.1946, San Francisco
- Letter from: 20.6.1946, San Francisco
- Letter from: 24.4.1947, Cleveland
- Letter from: 30.4.1947, Washington
- Letter from: 16.1.1948, Cleveland
- Letter from: 17.1.1948, Cleveland
- Letter from: 20.1.1948, Cleveland
- Letter from: 20.1.1948, Cleveland
- Letter from: 21.1.1948, Baltimore
- Letter from: 22.1.1948, Baltimore
- Letter from: 7.4.1948, San Francisco
- Letter from: 8.7.1948, San Francisco
- Letter from: 15.11.1948, Baltimore
- Letter from: 17.11.1948, Detroit
- Letter from: 1.3.1949, Grand Rapids
- Letter from: 3.3.1949, Between Detroit and Cleveland
- Letter from: 5.3.1949, Baltimore
- Letter from: 25.6.1949, Auf dem Flug von New York nach Cleveland
- Letter from: 27.6.1949, Detroit
- Letter from: 27.10.1949, Cleveland
- Letter from: 29.10.1949, Cleveland
- Letter from: 29.10.1949, Cleveland
- Letter from: 31.1.1950, Unterwegs zwischen Cleveland und New York
- Letter from: 12.6.1950, St. Paul
- Letter from: 16.6.1950, Cleveland
- Letter from: 26.6.1950, Saint Louis
- Letter from: 17.8.1950, Betw. Grand Rapids & Cleveland
- Letter from: 19.8.1950, Cleveland
- Letter from: 21.8.1950, New York
- Letter from: 22.8.1950, New York
- Letter from: 15.9.1950, Auf dem Flug von Saint Louis nach Chicago
- Letter from: 22.10.1950, New York
- Letter from: 10.7.1951, Cleveland
- Letter from: 8.9.1952, Cleveland
- Letter from: 9.1.1953, San Francisco
- Pelzhaus C.A. Herpich und Söhne / Berlin
- Letter from: 27.4.1924, Charlottenburg
- Letter from: 4.5.1924, Baden-Baden (Germany)
- Letter from: 12.5.1924, Charlottenburg
- Letter from: 15.5.1924, Charlottenburg
- Letter from: 12.7.1924, Herrlingen (Germany)
- Letter from: 10.2.1925, Charlottenburg
- Letter from: 2.7.1925, Charlottenburg
- Letter from: 6.7.1925, Saint Moritz (Switzerland)
- Letter from: 8.7.1925, Charlottenburg
- Letter from: 17.7.1925, Charlottenburg
- Letter from: 5.8.1925, Charlottenburg
- Letter from: 13.8.1925, Saint Moritz (Switzerland)
- Letter from: 19.8.1925, Charlottenburg
- Letter from: 25.8.1925, Charlottenburg
- Privathaus Mendelsohn / Berlin <Am Rupenhorn 6>
- Letter from: 9.7.1928, Kampen auf Sylt
- Letter from: 12.7.1928, Charlottenburg
- Letter from: 18.7.1928, Kampen auf Sylt
- Letter from: 20.7.1928, Charlottenburg
- Letter from: 21.7.1928, Kampen auf Sylt
- Letter from: 22.7.1928, Charlottenburg
- Letter from: 28.7.1928, Charlottenburg
- Letter from: 2.8.1928, Kampen auf Sylt
- Letter from: 0.1.1929, St. Moritz
- Letter from: 12.1.1929, Charlottenburg
- Letter from: 14.1.1929, Charlottenburg
- Letter from: 22.5.1929, Maurach am Bodensee
- Letter from: 23.12.1929, Berlin (Germany)
- Letter from: 28.12.1929, St. Moritz
- Letter from: 2.3.1930, Charlottenburg
- Letter from: 4.3.1930, Charlottenburg
- Letter from: 30.6.1930, Am Rupenhorn 6
- Letter from: 6.11.1931, Ascona (Switzerland)
- Letter from: 10.11.1931, Berlin-Spandau
- Letter from: 12.3.1932, Oslo
- Letter from: 30.5.1932, Zürich
- Letter from: 2.6.1932, Zürich
- Letter from: 10.8.1932, Saint Moritz (Switzerland)
- Letter from: 6.9.1932, Berlin-Spandau
- Letter from: 11.9.1932, Vevey (Switzerland)
- Letter from: 15.9.1932, Vevey (Switzerland)
- Letter from: 28.9.1932, Milan (Italy)
- Letter from: 23.2.1933, Berlin-Spandau
- Letter from: 13.4.1933, Zurich (Switzerland)
- Letter from: 31.5.1933, Cavalière
- Letter from: 22.8.1933, London (England)
- Letter from: 25.10.1933, London (England)
- Letter from: 8.8.1935, Jerusalem
- Letter from: 14.9.1935, Jerusalem
- Letter from: 26.1.1936, Zurich (Switzerland)
- Letter from: 25.7.1936, London (England)
- Letter from: 19.11.1945, Croton-on-Hudson (N.Y.)
- Letter from: 7.1.1953, San Francisco