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

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