Also contains personal information in the categories of childhood, education, and family. The childhood folder contains a letter from Ralph to his mother at age 10 (1921) and a poem written to him from his parents. The education folder contains papers related to Baldwin's early (Central High School, 1930) and later education as well as a piano recital program, and an Apollo launch invitation (1972). The family folder contains a retrospective by M.D. Baldwin, several genealogies, and explanations. The biographical information folder contains a complete resume, including a list of articles and publications by Baldwin.

News clippings deal with a wide variety of topics: honors and recognition, family, science and business. Both clipping folders contain articles about the Moon and other astronomical research, and Ralph Baldwin's significance in that field.