[Brief], 1912 Mai 1, Karlsruhe, [an] Herr[n] Professor [Júlio Henriques, Coimbra] [manuscrito] / A. Kneucker.
[Letter], 1912 Nov. 15, Bayfordbury, [to Júlio Henriques, Coimbra] [manuscrito] / Henry W. Clinton Baker.
[Lettre], 1912 déc. 19, Paris, [à] Monsieur le Dr. [Júlio] Henriques, Coimbra [manuscrito] / C. Belhatte.
[Carta], 1912 Mar. 14, [Lisboa, a Júlio Henriques, Coimbra] [manuscrito] / Antonio X. Pereira Coutinho.
[Carta], 1912 Jul. 22, [Lisboa, a Júlio Henriques, Coimbra] [manuscrito] / Antonio X. P. Coutinho.
[Carta], 1912 Out. 18, Salamanca, [a Júlio Henriques, Coimbra] [manuscrito] / Alph. Luisier.
[Carta], 1912 Jan. 8, Porto, [a Júlio Henriques, Coimbra] [manuscrito] / Gonçalo Sampaio.
[Carta], 1912 Jan. 23, Porto, [a Júlio Henriques, Coimbra] [manuscrito] / Gonçalo Sampaio.