Dictionaries for Arabic Dialects are rare. Here is a list of tools for Egyptian, Syrian, Iraqi, Tunisian, and Moroccan Arabic.
In the 20th century, Arabic language material was scarce. During the Vietnam War, Reginald Hefner, had access to a language lab of the US military - and later discovered, how the Military's Arabic material was used by publishers around the world. He shares some reminiscences and anecdotes in this guest article.