Oestergaard J.S. 1996, Catalogue Imperial Rome: Ny Carlsberg Glyptotek, Copenhagen.
Oestergaard J.S. 1997, "Navigare necesse est! - en romersk sarkofag med skibsfart", MedKoeb 53, 80-101.
Comment: In Danish, with English summary. Photographs of a shipping sarcophagus from Ostia in the Ny Carlsberg Glyptotek.
Ogden J. - Keay S. - Earl G. 2010, "Geophysical prospection at Portus. An evaluation of an integrated approach to the interpretation of subsurface archaeological features", Making history interactive. Computer applications and quantitative methods in archaeology (CAA), 273-284, Oxford.
Ogowa H. 1978, "Mithraic ladder symbols and the Friedberg crater", Hommages a M.J. Vermaseren, EPRO 68, 854-873, Leiden.
Olcese G. - Capelli C. - Carconi A. 2010, "Le ceramiche a vernice nera nel IV e III secolo a.C. dell'Ager Portuensis e di Ostia. Notizie preliminari sulle ricerche archeologiche e archeometriche", Bollettino di archeologia on line, 5-22.
Olcese G. et al. 2017, Ceramiche da contesti repubblicani del territorio di Ostia, Roma.
Oleson J.P. 1976, "A physiological basis for the term urinator, 'diver'", AJP 97, 22-29.
Oleson J.P. 1984, "Greek and Roman Mechanical Water-Lifting Devices: The History of a Technology", Phoenix Supplement 16, Toronto.
Olevano F. - Rosso M. 2001, "Il mosaico a grandi tessere marmoree delle terme 'della Marciana' a Ostia", Atti dell'VIII Colloquio dell'Associazione Italiana per lo Studio e la Conservazione del Mosaico (F. Guidobaldi ed.), 561-572.
Olivanti P. 1999, "Il Caseggiato del Serapide e le Terme dei Sette Sapienti: scavo e restauro ad Ostia prima dei 'grandi sterri' per l'Esposizione Universale del 1942", Meded 58, 12-14.
Olivanti P. 2001, "Les fouilles d'Ostie de Vaglieri a nos jours", Descoeudres J.-P. 2001, 56-65.
Olivanti P. 2002, "Dante Vaglieri alla direzione degli scavi di Ostia Antica (1908-1913) (da documenti dell'Archivio Storico della Soprintendenza di Ostia)", Ostia e Portus nelle loro relazioni con Roma (C. Bruun - A.G. Zevi edd.). ActaInstRomFin 27, 271-289, Roma.
Comment: By David Noy: Olivanti continues the history of the excavations, which only resumed seriously with Vaglieri's appointment. Vaglieri's improvements included the establishment of a photographic archive, and the article includes fourteen photographs from his period in charge. Olivanti argues vigorously for his importance in the development of Italian archaeology.
Olivanti P. - Wullschleger M. 2001, "Catalogue des objets exposes", Descoeudres J.-P. 2001, 394-452.
Oliver J.H. 1958, "Gerusiae and Augustales", Historia 7, 481 ff.
Oliveri S. 2015, L'area archeologica di Ostia Antica. Sperimentazione, valorizzazione e potenzialita per una piu efficace musealizzazione, Pisa.
Olsson B. - Mitternacht D. - Brandt O. (edd.) 2001, "The Synagogue of Ostia and the Jews of Rome. Interdisciplinary Studies", SkrRom 57, Stockholm.
Reviews: E. Meyer, BASOR 328 (2002); A.L. Porter, AJA 109 (2005), 810-813.
Comment: ISBN 91-7042-165-X. Price: SEK 450:- (paper) + postage. Order from: PAUL ASTROMS FORLAG, William Gibsons vag 11, SE-433 76 Jonsered, Sweden. E-mail: email@example.com, fax +46-31- 7956710, website www.astromeditions.com. Abstract In March of 1997 a research project on the ancient synagogue began at Lund University, Sweden, continuing a tradition of research that has its roots in the 1930s. The project's title "The Ancient Synagogue: Birthplace of Two World Religions" suggests that Judaism and Christianity existed for a time in close proximity to each other and were shaped by the same particular milieu within the ancient world, namely, the synagogue. The synagogue in ancient Ostia was chosen as an initial case study, since there is evidence that it was built during the first century CE and consequently is one of the earlier synagogues in the Roman world to have been excavated. Olof Brandt presents for the first time a more extensive description of the area outside the city walls where the synagogue was built. Anders Runesson surveys all the material that has been published about Ostia in order to make a new reconstruction of the synagogue's history in Ostia. Magnus Zetterholm attempts, primarily with the aid of interpretative theories and general considerations, to sketch the relations in Ostia between Jews and Christians. His study poses important questions about how to use sociological models in order to better understand the ancient synagogue. In a second contribution Anders Runesson discusses ritual washings in Ostia and in other synagogues in the diaspora. Karin Hedner -Zetterholm presents a more general picture of Jewish congregations in Rome, and Sten Hidal analyzes what Roman authors of this period had to say about Jews, all in order to attain a better understanding of the life and activity in this particular synagogue. The language environment at Ostia is elucidated in two studies, one by Georg Walser, dealing with the Jewish use of Greek in ancient Rome, the other by Per A. Bengtsson who gives a detailed presentation of the surprisingly few Semitic inscriptions from Rome. Irene von Goertz-Wrisberg discusses what can be known about the synagogue worship service during this period in history and based on that knowledge reconstructs a Sabbath service in Ostia. All the articles in the present volume set forth new understandings about the synagogue in Ostia and offer insights into the many methodological difficulties that lie in wait for every scholar who researches the ancient synagogue.
Oome N. 2004, "Il Caseggiato del mitreo di Lucrezio Menandro (I iii 5): een casestudie van wandschilderkunst in Ostia", TMA 31, 12-21.
Comment: In Dutch.
Oome N. 2007, "The Caseggiato del mitreo di Lucrezio Menandro (I iii 5). A Case-study of Wall Painting in Ostia", BABesch 82, 233-246.
Orlando P. 1904, "Roma Porto di Mare", Nuova Antologia
Ortisi S. 1999, "Das sog. Macellum von Ostia: Aufhoehungen der spaeten Republik und fruehen Kaiserzeit vor dem Westtor des castrum", Meded 58, 71-73.
Ozcariz Gil P. 2008, "Identification of two places for distribution of wine and oil in reliefs from the Isola Sacra", Espacio, Tiempo y Forma, Serie II, Historia Antigua 21, 235-254.