Songs for Sight Singing - Volume 3Bobby Siltman, Mary Henry, Marilyn Jones, Ruth Whitlock · First published 1988 · Latest edition 2002Open the Tome
Author index to Index of NACA technical publications, 1915-1949Eugene B. Jackson, Ruth Lillian Whitlock Jackson, United States. National Advisory Committee for Aeronautics. Division of Research Information, United States. National Advisory Committee for Aeronautics · First published 1970Open the Tome
Author headings for the official publications of the State of WisconsinRuth Lillian Whitlock Jackson · First published 1954Open the Tome
