[Lettre], 1880 déc. 17, Paris, [à Júlio Henriques, Coimbra] [manuscrito] / H. Baillon.
[Lettre], 1894 août 25, Upsal, [à] Monsieur [Júlio Henriques, Coimbra] [manuscrito] / Th. M. Fries.
[Lettre], 1894 sept 15, Upsal, [à] Monsieur [Júlio Henriques, Coimbra] [manuscrito] / Th. M. Fries.
[Lettre], 1894 déc. 28, Upsal, [à] Monsieur [Júlio Henriques, Coimbra] [manuscrito] / Th. M. Fries.
[Lettre], 1895 nov. 16, Upsal, [à] Monsieur [Júlio Henriques, Coimbra] [manuscrito] / Th. M. Fries.
[Lettre], 1905 jan. 6, Arnas, [à] Monsieur [Júlio] Henriques, [Coimbra] [manuscrito] / Gandoger M.
[Carta], 1900 Set. 20, Mossamedes, a Dr. Júlio Henriques, Coimbra [manuscrito] / João Duarte d?Almeida.
[Carta], 1901 Mar. 24, Mossamedes, [a Júlio Henriques, Coimbra] [manuscrito] / João Maria d?Aguiar.