Most of the materials in this subseries were originally organized by Liebolt into files by subject. They include materials pertaining to professional and social activities, vacations, recreation, and individuals. Also included are correspondence and materials from the hospitals in which he worked, the schools he attended, and his church, Fifth Avenue Presbyterian in New York. Finally, this subseries includes articles published by Liebolt. As much as possible the materials in these files have been kept in the order created by Liebolt; when feasible these materials are arranged chronologically.