Psychological Approach to DiagnosisGeoffrey M. Reed, Pierre L. -J Ritchie, Andreas Maercker, Tahilia Rebello · First published 2021Open the Tome
Psychology Education and TrainingRainer Silbereisen, Pierre Ritchie, Janak Pandey · First published 2013Open the Tome
The effect of the interviewer's presentation on some schizophrenic symptomatology ...Pierre Louis-Joseph Ritchie · First published 1975Open the Tome
