Contains writings of William P. Wilson and colleagues, including typed manuscripts, reprints, photocopies of articles, and handwritten lecture notes. Materials in Box 16 primarily contain handwritten lecture notes. Materials in Box 17 primarily contain reprints and typed manuscripts. Materials in Box 18 appear to contains unpublished writings and notes. Some materials in Box 17 have two numbering systems. The number on the outer hanging file is indicated before the title. The number on the inner manila filing folder or the folder contents is indicated in brackets after the title.