| Character Positions |   | 
    
      | 18-21 - Illustrations (006/01-04) |  | 
    
      | ♯ - No illustrations | a - Illustrations | 
    
      | 22 - Target audience (006/05) |  | 
    
      | ♯ - Unknown or unspecified | j - Juvenile | 
    
      | 23 - Form of item (006/06) |  | 
    
      | ♯ - None of the following | f - Braille | 
    
      | a - Microfilm | r - Regular print reproduction | 
    
      | b - Microfiche | s - Electronic | 
    
      | d - Large print |  | 
    
      | 24-27 - Nature of contents (006/07-10) |  | 
    
      | ♯ - Not specified | m - Theses | 
    
      | a - Abstracts/summaries | q - Filmographies | 
    
      | b - Bibliographies | r - Directories | 
    
      | c - Catalogs | s - Statistics | 
    
      | d - Dictionaries | t - Technical reports | 
    
      | e - Encyclopedias | u - Standards/specifications | 
    
      | f - Handbooks | 5 - Calendars | 
    
      | i - Indexes | 6 - Comics/Graphic Novels | 
    
      | k - Discographies |  | 
    
      | 28 - Government publication (006-11) |  | 
    
      | ♯ - Not a government publication | l - Local | 
    
      | c - Multilocal | m - Multistate | 
    
      | f - Federal/national | s - State, provincial, territorial, dependent, etc. | 
    
      | i - International intergovernmental | z - Other | 
    
      | 29 - Conference publication (006/12) |  | 
    
      | 0 - Not a conference publication | 1 - Conference publication | 
    
      | 30 - Festschrift (006/13) |  | 
    
      | 0 - Not a festschrift | 1 - Festschrift | 
    
      | 31 - Index (006/14) |  | 
    
      | | - No attempt to code |  | 
    
      | 32 - Undefined (006/15) |  | 
    
      | ♯ - Undefined |  | 
    
      | 33 - Literary form (006/16) |  | 
    
      | 0 - Not fiction (not further specified) | | - No attempt to code | 
    
      | 1 - Fiction (not further specified) |  | 
    
      | 34 - Biography (006/17) |  | 
    
      | ♯ - No biographical material | c - Collective biography | 
    
      | a - Autobiography | d - Contains biographical information | 
    
      | b - Individual biography |  |