“ The point stands, however, that some other official subclasses needed to be split to meet Wikisource's needs. The subclasses as they exist are not all directly usable as portals on Wikisource. The most extreme example is Subclass PT: German literature - Dutch literature - Flemish literature since 1830 - Afrikaans literature -Scandinavian literature - Old Norse literature: Old Icelandic and Old Norwegian - Modern Icelandic literature - Faroese literature - Danish literature - Norwegian literature - Swedish literature. ”

“ Therefore, this was used as the equivalent of Class E with little change to the pre-existing portal. Class F was left to cover all other aspects of the history of the Americas, including any aspects of United States history that applies to more than one state. ”

“ For example, "Writing" was split to subclass Z_A. This was unwieldy and awkward, so the second version drops the attempt to preserve the order and moves all of the new subclasses to succeed subclass ZA. For example, "Writing" becomes subclass ZC. The following table shows both versions of this scheme:
Subsequent changes This section is an appendix to the essay. It may be helpful in understanding the adaptation and the classification system if all alterations to it are clearly logged. ”