anchor.diff:  \resizebox{4in}{!}{Library}
   \vfill
   {\large Prepared by the Librarian, William Denton} \\[\baselineskip]
  -2 July 2022\\[\baselineskip]
  +22 November 2022\\[\baselineskip]
   }
   
   \cleardoublepage
  
positive.code: 
  \title{Catalogue of the Library of the Arts and Letters Club of Toronto}
  \author{William Denton}
  \date{July 2022}
  
  \usepackage[T1]{fontenc}
  \usepackage[utf8]{inputenc}
  
negative.code: %%% POETRY
  %%%
  
  \part{Poetry}
  
  <% lastauthor = "" %>
  
  