O Arauto is a weekly Portuguese-language newspaper published by F.I. Lemos, J. de Menezes in Hayward, Alameda County, California from 1896 to 1916.

O Colonial is a weekly Portuguese-language newspaper published by Frederico A. Costa in Fairhaven, Massachusetts starting in 1925 (the date of last publication is unknown).

O Heraldo Portuguez is a TK Portuguese-language newspaper published by Affonso Ferreira in Taunton, Massachusetts.

O Imparcial is a weekly Portuguese-language newspaper published by Quaresma & Armas Co. in Sacramento, California from 1915 to 1932.

O Lavrador Portuguez is a weekly Portuguese-language newspaper published by Lemoore Pub. Co. in Oakland, California beginning in 1912 (the date of last publication is unknown).

O Luso is a weekly Portuguese-language newspaper published in Honolulu, Hawaii from 1896 to 1924.

O Luso Hawaiiano is a weekly Portuguese-language newspaper published in Honolulu, Hawaii from 1885 to 1891.

O Popular is a weekly Portuguese-language newspaper published by O Popular Newspaper Co. in Honolulu, Hawaii from 1911 to 1913.

O Portugal is a Portuguese-language newspaper published by Colonial Printing Co. in Alameda, California.

O Portugal Da California is a weekly Portuguese-language newspaper published by O Portugal na Pub. Co. in Oakland, California starting in 1935 (the date of last publication is unknown).

O Progresso is a Portuguese-language newspaper published by Alfredo D. Silva in Sacramento, California.

O Progresso Californiense is a Portuguese-language newspaper published by Antonio M. Vicente & Co. in San Francisco, California.

O Reporter is a Portuguese-language newspaper published by O Reporter Publishing Co. in Oakland, California.

This collection consists of items from the O. W. Stevens collection of glass plate negatives, 1898-1912 (PC067) collection hosted by Historic New England. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

This collection consists of items from the Oak Hill Estate collection hosted by Peabody Institute Library, Peabody. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

This collection consists of items from the Oberg slide collection hosted by Northeastern University Library. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

The Octofoil is the offical publication of the Ninth Infantry Division Association, Inc., an organization formed by the officers and men of the 9th Infantry Division in order to perpetuate the memory of fallen comrades, preserve the esprit de corps of the Division, promote peace and serve as an... more

This collection consists of items from the Office of Community Affairs Records collection hosted by Northeastern University Library. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

This collection consists of items from the Office of the Attorney General collection hosted by State Library of Massachusetts. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

This collection consists of items from the Office of the Governor collection hosted by State Library of Massachusetts. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

This collection consists of items from the Office of the Mayor Reports and Publications collection hosted by Boston City Archives. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

This collection consists of letters, ledgers, military records, and field memorandums pertaining to the participation of Essex soldiers and their families in the Civil War.

This collection consists of items from the Ogden Codman, Jr. architectural collection (AR022) collection hosted by Historic New England. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

The Old Boston Collection, a series of late 19th century photographs of historic Boston sites, was rediscovered by the Boston Public Library in 2007. Although the origin and early history of the collection remain a bit of a mystery, we believe that the prints represent the work of photographers... more

The Old Colony Memorial is a weekly newspaper published in Plymouth, Massachusetts starting in 1872.

Represented here are manuscripts and deeds from the town of Hatfield, Massachusetts. Most items are dated from approximately 1700 to 1860.

This series includes woodcuts, engravings, and etchings, from the late 15th century through the 17th century, produced in the Western tradition. Among the important artists included, in addition to Durer, Rembrandt, and their contemporaries, are Hendrik Goltzius, Lucas van Leyden, Hans Holbein... more

This collection consists of items from the Old Photographs of Wakefield collection hosted by Lucius Beebe Memorial Library. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

This collection consists of items from the Old-Time New England (SC001) collection hosted by Historic New England. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

This collection consists of items from the Olive Leaf collection hosted by Chicopee Public Library. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

This collection contains an original collection donated by Olive Pierce and an addendum donated posthumously by her family.The original collection, curated by Olive Pierce, contains photographs, books, moving images, audiocassettes, and ephemera from several projects that Olive Pierce worked on... more

The Oliveira family were well known within the Portuguese community in Lowell, MA for their involvement in the music and religious scenes. This collection includes items from the family's personal life as well as many images of their musical performances at local events and on the local... more

This collection includes selected songs from the Oliveira Family music collection. Tracks include instrumentals, often featuring the mandolin, and lyric songs that typically reflect the style of Fado.Collection Background:While working on the Oliveira Family Photograph Collection, members of the... more

The Oliveira Photograph Collection focuses on New Bedford’s Portuguese community in the early twentieth century. All taken in 1932 by a photographer known only by his surname, the 37 photos that comprise the collection document clubs, social functions, dramatic societies, churches, religious... more

This collection consists of items from the Oliver Lane papers (MS019) collection hosted by Historic New England. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

This collection is composed of three photographs donated to the Lawrence Public Library by Ora Beal of Lawrence, Massachusetts. One photograph depicts the reservoir on Tower Hill in Lawrence. The other two photographs are group portraits of mill operatives at Pacific Mills in Lawrence. 

The Wexler Oral History Project is a growing collection of in-depth video interviews with people of all ages and backgrounds, whose stories offer a rich and complex chronicle of Jewish identity.

This collection consists of items from the Oral Histories collection hosted by Williams College. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

This collection consists of items from the Oral Histories with People of Color collection hosted by Digital Transgender Archive. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

University Archives & Special Collections in the Joseph P. Healey Library at the University of Massachusetts Boston holds a range of oral history collections.

This collection consists of items from the Oral History of Beverly Seniors collection hosted by Beverly Public Library. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

Oral History of Tyringham, Massachusetts is a collection of over seventy recorded interviews by and with Tyringham residents, from the 1970s through 2011, sponsored by the Hop Brook Community Club. The purpose of the interviews was to collect stories based on themes – e.g., teenage jobs, pets,... more

Available here are transcripts and the original interview audio from Jewish American women who have impacted their communities in many ways.

This collection consists of items from the Order of St. Anne collection hosted by Arlington Historical Society. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

Founded in 1067, the Benedictine convent of San Pier Maggiore was an ecclesiastical center of medieval Florence, and socially one the city's most prestigious religious houses for women. A Gothic church was completed at the convent in 1352, featuring an elaborate multi-paneled... more

This series, National Archives Identifier 3129055, consists of plans and architectural drawings of federal buildings in New England. The records were collected and maintained by the General Services Administration's Public Buildings Service between 1950 and 2004. Included are elevation drawings... more

This collection consists of items from the Original art collection (GC001) collection hosted by Historic New England. Information about the items has been provided by the holding institution so that they may be included in Digital Commonwealth.

This series includes such items as sketchbooks, postcard collections, photography, ephemera, and individual sketches. These items were produced by Boston Architectural Club members as well as honorary members.

Collection of drawings by Orra White Hitchcock, wife of Edward Hitchcock, for use in Hitchcock’s geology and natural history classes at Amherst College. These material are held at Amherst College Archives & Special Collections in Amherst, MA.

This is the collected archival material for Orvis Luey Hill, who was considered a pioneer in the early introduction and development of the automobile. He was the first person to own an automobile in Boston and its surrounding neighborhoods and was a Ford automobile dealer.The collection consists... more