| Issue Date | Title | Author(s) |
| [s | Anfrage, [s.d.], Dresden, [an Herrn Adolfo F. Möller, Coimbra] | Poscharsky, Gustav Adolf |
| 1909 | Bilhete Postal, 1909 [Set.?, Dilli], a Dr. Júlio A. Henriques, Coimbra | Castro, Alberto Osório de |
| 1879 | [Brief], 1879 MŁarz 24, Dorpat, an Herr[n]Júlio Henriques, Coimbra] | Klinge, Johannes Christoph |
| 1883 | [Carta], 1883 Out. 13, Côrte, [Rio de Janeiro], [a] Julio Henriques, [Coimbra] [manuscrito] / J. Barbosa Roiz [sic] | Rodrigues, João Barbosa, 1842-1909 |
| 1888 | [Carta], 1888 Jul. 21, S. Thomé, [a] Dr. Julio Henriques, Coimbra | Quintas, Francisco Joaquim Dias |
| 1906 | [Carta], 1906 Set. 30, Chimanimani, a [Júlio Henriques, Coimbra] | Camara, José da |
| 1890 | [Letter], 1890 Apr. 08, Royal Gardens, Kew, [to Júlio Henriques, Coimbra] [manuscrito] / R. A. Rolfe | Rolfe, Robert Allen, 1855-1921 |
| 1890 | [Letter], 1890 Apr. 25, Royal Gardens, Kew, [to Júlio Henriques, Coimbra] [manuscrito] / R. A. Rolfe | Rolfe, Robert Allen, 1855-1921 |
| 1890 | [Letter], 1890 May 09, Kew, [to Júlio] Henriques, [Coimbra] [manuscrito] / R. A. Rolfe | Rolfe, Robert Allen, 1855-1921 |
| 1891 | [Letter], 1891 Apr. 23, Kew Gardens, [to Júlio] Henriques, [Coimbra] [manuscrito] / R. A. Rolfe | Rolfe, Robert Allen, 1855-1921 |
| 1891 | [Letter], 1891 May 11, Kew Gardens, [to Júlio] Henriques, [Coimbra] [manuscrito] / R. A. Rolfe | Rolfe, Robert Allen, 1855-1921 |
| 1879 | [Lettre], 1879 avr. 29, Dorpat, [à] Monsieur [Júlio Henriques, Coimbra] | Klinge, Johannes Christoph |
