1.
Hugo Schuchardt an Matthias de Vries (04-3)
2.
3.
Matthias de Vries an Hugo Schuchardt (07-12555)
Hugo Schuchardt an Vatroslav Ignaz Jagič (23-s-n)
Emil Metzger an Hugo Schuchardt (03-07124)
Emil Metzger an Hugo Schuchardt (10-07131)
Johann Gottlieb Christaller an Hugo Schuchardt (01-01617)