Donald Moffitt's personal materials comprise items that are largely unrelated to his writing career. The series does include some professional materials, such as resumes, job applications, and some documentation relating to Moffitt's employment at Rumrill-Hoyt. The series also includes personal documents, such as Moffitt's birth certificate, marriage certificate, and documents relating to his property in Monroe, Maine; correspondence relating to Moffitt's wife Ann's care and death; and various personal papers from across Moffitt's life, including school records and assignments, journals, and diaries.