The document summarizes the findings of a study on the impact of digitized scholarly resources. It describes various quantitative and qualitative methods used in the study, including webometrics, analytics, log file analysis, interviews, focus groups, and surveys. The study analyzed five digitization projects and found they had positive impacts like improving research and enabling new types of quantitative analysis. Usage varied by project, with some seeing more impact through teaching resources while others saw more impact through computational analysis of materials.