National Secretaries Association (International) Oahe Chapter Records (H97-36) 3 cubic feet

Subject files and scrapbooks, 1967-1990. Founded in 1942,the NSA is the world’s largest secretarial association. The first meeting of the Oahe Chapter was held in Pierre on April 18, 1967.

New York City Indian Association Annual Reports (H88-9) 2 folders and 20 bound volumes

Annual reports, 1907-1938. The NYCIA was a predominantly female group whose aims were to foster Christian ideals among American Indians through the support of missionaries and instructors to Indians. This group also published The Indian’s Friend.

Norton, Carrie More Papers (H75-335) 3 items

Manuscripts concerning Norton's hobby of bird watching in and around Faulkton, South Dakota, 1920.

Old Settlers Register (H76-66) 1 item

A list of various old settlers, both male and female, and the date they settled in Dakota. This photocopied document titled, "Register of Old Settlers, Homecoming Week, June 11 to June 17, 1911," refers to the 50th anniversary celebration of the Yankton County Old Settlers Association.

Olson, Alice Adelaide Letters (H75-336) 2 items

Letters testifying to Alice Olson's teaching ability, 1882.

Olson, Florence DeWolf Papers (H97-20) 1/2 cubic foot

Genealogy items, diaries, school records and notebooks, letters, teacher certificate and contracts, teaching aids, and family photographs (1869-1980 with the bulk limited to 1920-1940). After attending Northern Normal School in Aberdeen, DeWolf taught in the Hyde County rural schools of Bramhall and South Convent before teaching primary grades at Harrold. Her husband Clarence worked in road construction.

Olson-Mann Family Papers (H90-52) 1/4 cubic foot

A collection of letters, obituaries, and a legal instrument. The letters explain how Andrew Olson-Mann (1863-1910) was adopted and tell of his reunion with his birth father. His sister Anna writes lengthy letters describing homesteading in McCook County. She gives an excellent account of housing, life on the prairie, and remarks on their crops and farm animals.

Opheim, Charlotte Johnson Papers (H76-7) 1 item

Affidavit dated 1941 in which Opheim relates the discovery of the Verendrye plate.

Oral, South Dakota Postcard (H94-52) 1 item

Titled, "Good Girls in Badlands, South Dakota, 1909." The image shows a sod house and tent with three girls sitting in the foreground and one woman in the background in front of the house and tent. The card is addressed to Miss Minnie Johnson of Clarkston, Washington. The text of the message expresses the writer’s dislike for the Badlands and is signed, "Lovingly Kate."

Osborne, Sara Jane Memoir (H92-85) 1 item, 6 pages

Osborne, a Pennington County resident ca. 1885-1890, describes meetings with local Indians and events surrounding the Wounded Knee Massacre along with other recollections of her life in this memoir.