Gilbert, Douglas R., “Window View of "Bonnie" Boat in Saugatuck,” Digital Collections, accessed April 6, 2025, https://digitalcollections.library.gvsu.edu/document/52963.
Black and white photograph of a close-up view of a fishing tug boat named "Bonnie" and its bridge windows reflecting the surrounding waters in Saugatuck, Michigan in May 1960. Photograph by Douglas R. Gilbert. Scanned from the negative.