Ego States; Ed. By Charlotte Sills.charlotte sills and helena hargaden · First published 2002Open the Tome
Introduction to GestaltCharlotte Sills, Phil Lapworth, Billy Desmond · First published 2012Open the Tome
Introduction to Transactional AnalysisPhil Lapworth, Charlotte Sills · First published 2011Open the Tome
Integrative Approaches to SupervisionJane Rosoman, Jane Speedy, Charlotte Sills, Margaret Tholstrup, John Towler · First published 2001Open the Tome
Skills in Gestalt counselling & psychotherapyPhil Joyce, Charlotte Sills · First published 2001Open the Tome
Transactional analysis counsellingPhil Lapworth, Charlotte Sills, Sue Fish · First published 1993Open the Tome
