Advancing King′s Systems Framework and Theory of NursingMaureen A. Frey, Christina L. Sieloff · First published 1995Open the Tome
Middle range theory development using King's conceptual systemChristina L. Sieloff, Maureen A. Frey · First published 2007Open the Tome
Assessing children's well-beingSylvie Naar-King, Deborah A. Ellis, Maureen A. Frey, Michele Lee Ondersma · First published 2003Open the Tome