Avhustyn Shtefan was a Ukrainian and Ukrainian American educator, politician, and social activist. This collection contains correspondence, writings, photographs, and family history materials. The photographs document his life and career in Transcarpathia, Slovakia, Prague, Augsburg, and the United States. The collection also includes 19th and 20th century photographs and family records.

Liudmyla Kovalenko Ivchenko (Людмила Коваленко Івченко) was a Ukrainian and Ukrainian American writer and radio journalist at the Ukrainian service of the Voice of America. This collection contains radio scripts and other Voice of America records, as well as manuscripts, proofs, and translations of some of her later literary works.

Oleksii Balabas was an "ordinary man" whose life encapsulates in microcosm a great deal of the history of Ukrainians in the first half of the 20th century. This collection contains six volumes of diaries from the 1940s and '50s, official and legal documents, correspondence, writings on Kuban' history, and photographs.

Iurii and Ol'ha Perkhorovych were Ukrainian immigrants from the Volyn' region who moved to Brooklyn, New York in the 1950s. The collection primarily consists of extensive correspondence with family, friends, and prominent individuals, and materials related to Iurii's avocational historical research and his activities with Volyn'-related organizations. It also contains materials from when Iurii and Ol'ha were in displaced persons camps in Germany, as well as personal documents, pocket diaries, and ephemera from their life in Brooklyn.

Joseph Marmash was an active member of the Baltimore, MD Ukrainian-American community over many decades. He was born to members of the first wave of Ukrainian immigrants to the US, and his involvement with the Ukrainian-American Citizens Club and other organizations and causes began in the 1930s. This collection documents some of these activities, as well as his extensive work helping to resettle Ukrainian Displaced Persons after World War II.

Marie Halun Bloch is best known for her Ukrainian-themed children's books, but also was a writer and translator on a variety of subjects. She did considerable research into her family history and the history of her ancestral villages. She travelled extensively to Ukraine and Eastern Europe beginning in the 1960s through the 1990s, and wrote extensively about her experiences. This collection contains her published and unpublished writings on her genealogy, the history of her ancestral villages, travel accounts, research notes, correspondence, and photographs.

Fr. Gregory Chomicky was one of the first Ukrainian Orthodox clergymen in the United States. This collection houses material that documents his ministry as a clergyman, both as a parish priest and as a member of the leadership of the Ukrainian Orthodox Church in America and the Ukrainian Orthodox Church of the USA. It also documents his personal and family life as well as parish and Ukrainian American community activities.