<page_title> List of Nepenthes literature </page_title> <section_title> Standalone publications </section_title> <table> <cell> Charles Clarke <col_header> Author(s) </col_header> </cell> <cell> Charles Clarke <col_header> Author(s) </col_header> </cell> <cell> Charles Clarke <col_header> Author(s) </col_header> </cell> <cell> Charles Clarke <col_header> Author(s) </col_header> </cell> <cell> Charles Clarke & Ch'ien Lee <col_header> Author(s) </col_header> </cell> </table>
Clarke has written five books on Nepenthes.