Postkarte, 1903 März 2, Karlsruhe, an Herrn Professor Dr. [Júlio] Henriques, Coimbra [manuscrito] / A. Kneucker.
Postkarte, 1903 März 22, Karlsruhe, an Herrn Prof. Dr. [Júlio] Henriques, Coimbra [manuscrito] / Kneucker.
Postkarte, 1903 Juni 26, Karlsruhe, an Herrn Professor Dr. [Júlio] Henriques, Coimbra [manuscrito] / A. Kneucker.
Postkarte, 1903 Aug. 31, Karlsruhe, an Herrn Professor Dr. J. A. Henriques, Coimbra [manuscrito] / A. Kneucker.
[Brief], 1903 Okt. 18, Lund, [an Herrn] Professor J. A. Henriques, [Coimbra] [manuscrito] / O. Nordstedt.
Correspondenz-K[arte], 1903 Aug. 31, Wien, an Monsieur le Dr. Julio A. Henriques, Coimbra [manuscrito] / Dr. Karl Rechinger.
[Letter], 1903 May. 21, Sayre, Pa., [to] Mr. J. Henriques, [Coimbra] [manuscrito] / William C. Barbour.
Postcard, 1903 June, 23, Cambridge, [to Júlio Henriques], Coimbra [manuscrito] / R, Irwin Lynch.