The collection includes journals of her sermons (primarily from the 1960s and 1970s), personal diaries, scrapbooks from her travels to Colorado and England, family photographs, travel journals from missionary work, correspondence primarily pertaining to her work as a minister, and several original holiday plays written by Osborn. Also included in the collection is a subsection of material gathered by Jody Richmond who planned to write a biography of Osborn that never came to fruition.