1.

Gastan Caraigy an Hugo Schuchardt (1-1537)

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Dirk Christiaan Hesseling an Hugo Schuchardt (01-04678)

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Johannes Theophilus Hahn an Hugo Schuchardt (02-04347)

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Rodolfo Lenz an Hugo Schuchardt (04-06398)

1.

Nikolaus Trübner an Hugo Schuchardt (2-11885)

1.

Hugo Schuchardt an Matthias de Vries (04-3)

1.

Matthias de Vries an Hugo Schuchardt (03-12553)

1.

Carl Gotthilf Büttner an Hugo Schuchardt (01-01463)