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    Internet Archive item embed. 
    Loads a book/pdf, video, or audio item from Internet Archive via their standard iframe embed. 

    The item's "objects_location" must be the full public URL to the object on IA. The item url looks something like: 
    
    book, https://archive.org/details/uidaho_gem_1903 
    video, https://archive.org/details/fluxusfireplace
    audio, https://archive.org/details/aladore_1704_librivox

    The embed works for books/pdfs, video, and audio--however, you 