Gallitzin-Nachlaß, Kps. 36,57(1)
Ms XXIII, 387a, Bl. 117-118(1)
Nachl. Baer, Briefe 22, Bl. 61-62(1)
Nachlass Alexander von Humboldt Bd. 6/1 Bl. 22-23(1)
Slg. Kestner/I/C/I/528/Nr. 1(1)
Slg. Kestner/II/B/145/Nr. 11(1)
Slg. Kestner/II/B/145/Nr. 9(1)
Slg. Kestner/II/C/III/1076/Nr. 2(1)
Slg. Kestner/II/C/III/1083/Nr. 1(1)