[Brief], 1905 Okt. 27, Wien, [an] Herr[n] Professor [Júlio Henriques, Coimbra] [manuscrito] / I. Dörfler.
[Brief], 1905 März 13, Berlin, [an Júlio Henriques], Coimbra [manuscrito] / Ernest Gilg.
Poftkarte, 1905 Oct. 16, Berlin, [an] Herrn Prof. Dr. [Júlio] Henriques, Coimbra [manuscrito] / Ernest Gilg.
Postkarte, 1905 Feb. 12, Karlsruhe, [an] Herrn Dr. J. A. Henriques, Coimbra [manuscrito] / A. Kneucker.
Postkarte, 1905 Feb. 21, Karlsruhe, [an] Herrn Professor Dr. [Júlio] Henriques, Coimbra [manuscrito] / A. Kneucker.
Postkarte, 1905 Sept. 8, Karlsruhe, an Herrn Dr. J. A.Henriques, Coimbra [manuscrito] / A. Kneucker.
[Letter], 1905 Feb. 13, Reigate, [to] Sir [Júlio Henriques, Coimbra] [manuscrito] / C. E. Salmon.
[Lettre], 1905 mai 14, Genève, [à] Júlio Henriques, Coimbra [manuscrito] / C. de Candolle.