Principal′s Guide to School BudgetingRichard D. Sorenson, Lloyd M. Goldsmith · First published 2006Open the Tome
Principal′s Guide to Time ManagementRichard D. Sorenson, Lloyd M. Goldsmith, David E. (Edward) DeMatthews · First published 2016Open the Tome
Principal′s Guide to Managing School PersonnelRichard D. Sorenson · First published 2009Open the Tome
Research films for the study of child growth and development and disease patterns in primitive culturesE. Richard Sorenson, D. Carleton Gajdusek, National Institute of Neurological Diseases and Blindness (U.S.) · First published 1963Open the Tome
