Österreichische Zeitschrift für Volkskunde《奥地利民俗学杂志》（年刊）. Since 1895, the Journal Österreichische Zeitschrift für Volkskunde (ÖZV) serves as a platform for subject-specific discussions, theoretical debates and problems of cultural-historical museology. It informs about important events and new publications in the field. The ÖZV serves the scientific discussion of current topics and issues in folklore / European ethnology / cultural anthropology / empirical cultural studies. Contemporary everyday cultures and their social dynamics are as much in focus as their historical development. In addition, the journal aims to be a platform for subject-specific discussions, theoretical debates and problems of cultural-historical museology as well as to inform about important events and new publications in the field.

OSMANLI ARASTIRMALARI-The Journal of Ottoman Studies《奥斯曼帝国研究杂志》（半年刊）. The Journal of Ottoman Studies has been published continuously since 1980 and has carried the pluralist heritage of the Ottomans to contemporary academe by bringing together Ottomanists from different countries as well as from different disciplines and schools of thought. As the founder of the journal, the late Nejat Göyünç (1925-2001), stated in the preface he wrote for the first volume of the journal, the aim of the journal “is to become a means for the increasingly growing number of students of Ottoman Studies to get together in this journal, to encourage young members of the scholarly profession by publishing their interesting research …, to help them to become known, and to facilitate the presentation of their research to the scholarly world.”

Origini《起源》（不定期）. Origini is a single-blind peer-reviewed journal of world prehistory and protohistory published yearly by the Sapienza University of Rome. The journal reports new archaeological research, method and issues of international significance to a broad academic and professional readership. The journal is a forum for the current debate on the basic topics of prehistoric archaeology and anthropology, contributing to the development of scientific achievements in these fields. We ask for original papers presenting new data in an interpretative framework of historical reconstruction and/or debating theoretical and methodological questions.

ORIENS《伊斯兰社会哲学、神学与科学杂志》（季刊）. Oriens is dedicated to extending our knowledge of intellectual history and developments in the rationalist disciplines in Islamic civilization, with a special emphasis on philosophy, theology, and science. These disciplines had a profoundly rich and lasting life in Islamic civilization and often interacted in complex ways--from the period of their introduction to Islamic civilization in the translation movement that began in the eighth century, through the early and classical periods of development, to the post-classical age, when they shaped even such disciplines as legal theory and poetics. The journals range extends from the early and classical to the early modern periods (ca. 700-1900 CE) and it engages all regions and languages of Islamic civilization.

Organon F《哲学工具论》（季刊）. Organon F is an international journal of analytic philosophy, founded in 1994. It is international with regard to both its submissions and its readership. Organon F esteems the standards typical of analytic philosophy, primarily those of conceptual clarity, precision and soundness of argumentation. The journal focuses on contemporary issues in philosophy of language, philosophy of mind, philosophy of science, epistemology, metaphysics and philosophical logic. It also provides a platform for topics discussed in ethics, aesthetics, social philosophy, political philosophy and history of philosophy.

Organised Sound《音响合成》（一年3期）. Organised Sound is an international peer-reviewed journal which focuses on the rapidly developing methods and issues arising from the use of technology in music today. It concentrates upon the impact which the application of technology is having upon music in a variety of genres, including multimedia, performance art, sound sculpture and music ranging from popular idioms to experimental electroacoustic composition. It provides a unique forum for anyone interested in electroacoustic music studies, its creation and related developments to share the results of their research as they affect musical issues.

Oregon Historical Quarterly《俄勒冈州历史季刊》（季刊）. The Oregon Historical Quarterly, a peer-reviewed, public history journal, has been published continuously since 1900 by the Oregon Historical Society, an independent, nonprofit organization.

Orbis Litterarum《世界文学》（双月刊）. Orbis Litterarum is an international journal devoted to the study of European, American and related literature. Orbis Litterarum publishes peer reviewed, original articles on matters of general and comparative literature, genre and period, as well as analyses of specific works bearing on issues of literary theory and literary history.

Opuscula-Annual of the Swedish Institutes at Athens and Rome《瑞典研究院雅典与罗马年刊》（年刊）. Opuscula. Annual of the Swedish Institutes at Athens and Rome (ISSN: 2000-0898) is published yearly by the Swedish Institutes at Athens and Rome. First issued in 2008, Opuscula replaces the annuals Opuscula Atheniensia and Opuscula Romana published by the Swedish Institute at Athens and the Swedish Institute in Rome respectively. The annual contains articles within Classical Archaeology, Ancient History, Art, Architecture and Philology, as well as book reviews within these subjects. Reports of fieldwork carried out under the supervision of the Institutes at Athens and Rome are regularly reported on in the Opuscula.

The Opera Quarterly《歌剧季刊》（季刊）. Since its inception in 1983, The Opera Quarterly has earned the enthusiastic praise of opera lovers and scholars alike. In 2005, David J. Levin, a dramaturg at various opera houses and critical theorist at the University of Chicago, reconceived the journal with the goal of extending its reputation as a rigorous and cutting-edge forum for all aspects of opera and operatic production.