1.
Edward Spencer Dodgson an Hugo Schuchardt (036-02395)
2.
Edward Spencer Dodgson an Hugo Schuchardt (045-02402)
Hugo Schuchardt an Vatroslav Ignaz Jagič (23-s-n)
Dirk Christiaan Hesseling an Hugo Schuchardt (01-04678)
Julio de Urquijo Ybarra an Hugo Schuchardt (064-12041)
Julio de Urquijo Ybarra an Hugo Schuchardt (264-12141)
Hugo Schuchardt an Reinhold Köhler (011-S.23-25)
Reinhold Köhler an Hugo Schuchardt (012-05693)
Hugo Schuchardt an Reinhold Köhler (138-S.273-274)
Alois Pogatscher an Hugo Schuchardt (64-08952)