- Octavio, Rodrigo,
Octavio, Rodrigo, 1866-1944 (Nombre personal)
- Octavio de Langgaard Menezes, Rodrigo, 1866-1944
- De Langgaard Menezes, Rodrigo Octavio, 1866-1944
- Langgaard Menezes, Rodrigo Octavio de, 1866-1944
- Menezes, Rodrigo Octavio de Langgaard, 1866-1944
- Otávio de Langgaard Meneses, Rodrigo, 1866-1944
- Meneses, Rodrigo Otávio de Langgaard, 1866-1944
- Otávio, Rodrigo, 1866-1944
His Le mariage au Brésil, 1910: t.p. (Rodrigo Octavio, avocat et prof. à la Fac. de droit de Rio de Janeiro)
LC in OCLC, 2-24-89: (hdg.: Octavio, Rodrigo, 1866-1944; usage: Rodrigo Octavio)
MoSU-L/IL files: (usage: Rodrigo Octavio de Langgaard Menezes)
His Os selvagens americanos perante o direito, 1946 : t.p. (Rodrigo Otávio)
A balaiada, 1839, 1995: t.p. (Rodrigo Otávio)
Grande encic. Delta Larousse, 1977 : v. 11, p. [4997]-4998 (hdg.: Otávio de Langgaard Meneses, Rodrigo; b. 1866 in Campinas, SP; d. 1944 in Rio de Janeiro, RJ; Brazilian jurist; secretário (presidential adviser) to government of Prudente de Morais, 1911-1929; delegate-at-large to international conferences; vice-president of the League of Nations, 1920-1921; member of the Supremo Tribunal Federal, 1929-1934; president of the Instituto dos Advogados Brasilieiros; member, Academia Brasileira de Letras; author of numerous books on politics and international law)