Some letters are from friends, but many are from researchers requesting James C. Malin's work: Steven A. Samson; Inge and John Erickson; Lura Hanson; C. Schmid; Steve Walz; Nyle and Esther Miller; Henry Snyder; Kansas State Historical Society, Robert W. Richmond; Tefft; Beth Schultz; Burt and Carol Williams; Theodore A. Wilson; Gerald Olsen; Joseph Snell at the Kansas State Historical Society; Mike Brodhead; Harl Slentz; Dr. W. H. Parker; Susan J. Allen.