A Meta-Analysis of Reading Recovery in United States Schools
Research
This meta-analysis of 36 studies on the efficacy of Reading Recovery was written by Jerome V. D'Agostino and Judith A. Murphy and includes an extensive reference list.
This article by Marilyn Jager Adams describes the Three-Cueing System, including where the system originates and Ms. Adams' analysis of how teachers view it compared to what research shows about its effectiveness.