- Author: Omar Santos
- Language: English
- Year: 2022
- Author: Omar Santos Michael Gregg
- Language: English
- Year: 2022
- Author: Omar H. Ali
- Language: English
- Year: 2010
- Author: Omar Benhar
- Language: English
- Year: 2023
- Author: Omar Benhar
- Language: English
- Year: 2023
- Author: Danilo Barrón Filomeno Zubieta (eds.) Armando Zaraz Armando Alvarado Omar Robles Rufa Olórtegui Macedonio Villafán Herbert Cajo Danilo Barrón Wilfredo Kapsoli Ursula Mendoza Juan Rodríguez Elmer Neyra Anita Terry Noriega de Lavalle Feliciano Apolinario Espíritu Laura Nivin Víctor Alvítez Carmela Fry Palacios Bernardo Rafael Álvarez Vladimir Villavicencio Samuel Cornelio Abad Lucio Meza Claudio Aranda Luis Salazar Agustín Zúñiga Manuel Nieves Macedonio Villafán Edgar Norabuena Ricardo Santos Albornoz Javier Pastor Óscar Cueva Donald Jaimes Zubieta Milton Pastor Wálter Vidal Rodolfo Moreno Efraín Vásquez Blanca de los Ríos (auts.)
- Language: Spanish
- Year: 2021
- Author: عبد السميع ابو عمر (Abed al-Samih Abu Omar)
- Language: Arabic, English
- Year: 2005
- Author: Omar Kasmani (editor)
- Language: English
- Year: 2023
- Author: Omar Ashour
- Language: English
- Year: 2022
- Author: Houri Omar I.
- Language: German
- Year: 2005