Describir: Rules for the cataloguing of slides in the Liverpool School of Architecture /

             ___    __    __   _    _     _  _     ______    _  _      ___    
    ___     / _ \\  \ \\ / // | || | ||  | \| ||  /_   _//  | \| ||   / _ \\  
   /   ||  / //\ \\  \ \/ //  | || | ||  |  ' ||   -| ||-   |  ' ||  / //\ \\ 
  | [] || |  ___  ||  \  //   | \\_/ ||  | .  ||   _| ||_   | .  || |  ___  ||
   \__ || |_||  |_||   \//     \____//   |_|\_||  /_____//  |_|\_|| |_||  |_||
    -|_|| `-`   `-`     `       `---`    `-` -`   `-----`   `-` -`  `-`   `-` 
     `-`