Correspondence › Year of Creation › 1980-1989

• Brief an [Leopold Mozart] Mozart, Wolfgang Amadeus [1756-1791] ; Mozart, Constanze [1763-1842] ; Mozart, Leopold [1719-1787] Wien, 1783 Universitätsbibliothek Basel, Autogr Geigy-Hagenbach 1648

• Ball, Hugo an ?; Korrespondenz Ball, Hugo [1886-1927] s.l., s.d. Swiss National Library (NL), SLA-HEN-B-04-a-05/11

• Ball, Hugo an [Hildebrand], Maria; Korrespondenz Ball, Hugo [1886-1927] ; Hildebrand, Maria Anna [1881-1952] s.l., s.d. Swiss National Library (NL), SLA-HEN-B-04-a-03/4

• Ball, Hugo an Hennings, Emmy; Korrespondenz Ball, Hugo [1886-1927] ; Ball-Hennings, Emmy [1885-1948] Sorengo, s.d. Swiss National Library (NL), SLA-HEN-B-04-b-01/4

• Ball, Hugo an Hesse, Hermann; Korrespondenz Ball, Hugo [1886-1927] ; Hesse, Hermann [1877-1962] Agnuzzo, s.d. Swiss National Library (NL), SLA-HEN-D-01-B-01-HESSE/01

• Ball, Hugo an Hesse, Hermann; Korrespondenz Ball, Hugo [1886-1927] ; Hesse, Hermann [1877-1962] Agnuzzo, s.d. Swiss National Library (NL), SLA-HEN-D-01-B-01-HESSE/02

• Ball, Hugo an Hesse, Hermann; Korrespondenz Ball, Hugo [1886-1927] ; Hesse, Hermann [1877-1962] s.l., s.d. Swiss National Library (NL), SLA-HEN-D-01-B-01-HESSE/09

• Ball, Hugo an Hesse, Hermann; Korrespondenz Ball, Hugo [1886-1927] ; Hesse, Hermann [1877-1962] München, s.d. Swiss National Library (NL), SLA-HEN-D-01-B-01-HESSE/10

• Ball, Hugo an Hesse, Hermann; Korrespondenz Ball, Hugo [1886-1927] ; Hesse, Hermann [1877-1962] Agnuzzo, s.d. Swiss National Library (NL), SLA-HEN-D-01-B-01-HESSE/12

• Ball, Hugo an Hesse, Hermann; Korrespondenz Ball, Hugo [1886-1927] ; Hesse, Hermann [1877-1962] Agnuzzo, s.d. Swiss National Library (NL), SLA-HEN-D-01-B-01-HESSE/13