List accepted metadata fields
Examples
ia_list_fields()
#> [1] "addeddate" "avg_rating"
#> [3] "call_number" "collection"
#> [5] "color" "contributor"
#> [7] "copyright-evidence-date" "copyrightexpirydate"
#> [9] "copyrightowner" "coverage"
#> [11] "createdate" "creator"
#> [13] "creatorSorter" "date"
#> [15] "description" "digitalpublicationdate"
#> [17] "digitalrepublisher" "discs"
#> [19] "documenttype" "downloads"
#> [21] "extent" "foldoutcount"
#> [23] "format" "forumForum"
#> [25] "forumId" "forumPostbody"
#> [27] "forumPostdate" "forumPoster"
#> [29] "forumPosterSorter" "forumSubject"
#> [31] "forumSubjectSorter" "has_mp3"
#> [33] "headerImage" "hidden"
#> [35] "homepage" "identifier"
#> [37] "imagecount" "indexdate"
#> [39] "language" "languageSorter"
#> [41] "lcnum" "licenseurl"
#> [43] "md5contents" "md5s"
#> [45] "mediatype" "medium"
#> [47] "members" "month"
#> [49] "nav_order" "noindex"
#> [51] "num_reviews" "numeric_id"
#> [53] "oai_updatedate" "pick"
#> [55] "ppi" "printable"
#> [57] "public" "public_date"
#> [59] "publicdate" "publisher"
#> [61] "relation" "reviewbody"
#> [63] "reviewdate" "reviewer"
#> [65] "reviewtitle" "rights"
#> [67] "runtime" "scannerno"
#> [69] "scanningcentre" "shndiscs"
#> [71] "show_browse_author_link" "show_browse_by_creator"
#> [73] "show_browse_by_date" "show_browse_collection_link"
#> [75] "show_browse_title_link" "show_language_link"
#> [77] "show_scanningcentre_link" "show_search_by_year"
#> [79] "sound" "source"
#> [81] "stars" "status"
#> [83] "subject" "subjectSorter"
#> [85] "taper" "text"
#> [87] "title" "titleSorter"
#> [89] "transferer" "type"
#> [91] "updatedate" "updater"
#> [93] "volume" "week"
#> [95] "year"