Social factors of farm ownership in OklahomaRobert T. McMillan, Otis Durant Duncan · First published 1945Open the Tome
Migration and status of open-country families in OklahomaRobert T. McMillan · First published 1943Open the Tome
Migration of population in five Oklahoma townshipsRobert T. McMillan · First published 1943Open the Tome
A social and economic study of relief families in Ottawa County, Oklahoma, 1934Robert T. McMillan · First published 1938Open the Tome
