The collection includes photographs, articles, correspondences, and other documentation. The collection ranges from 1890 to 2012. The collections materials are all from Good Samaritan School of Nursing located in McMinnville, Oregon.

The collection contains papers, photographs, mimeograph sheets, transparencies, inventory cards, guestbooks, notebooks, films, pamphlets, programs, equipment, and other ephemera relating to the founding and operation of Linfield Research Institute. It also contains awards given to director Walter Dyke, as well as scientific equipment used at the Institute.