Dan has written in several fields that are not represented well in WriterAccess.com's list of "industries." Several of these important areas in which Dan has written include:
Language, specifically American English and its usage; Religion and religious exploration; Genealogy; The cinema including films and film history; The paranormal; ESP and psychic phenomena; UFOs and extraterrestrial aliens.
Language usage in particular is an area in which Dan is currently exploring further publication. The offering below is excerpted from an article on reference sources and his recommendations regarding some of them.