In Villanova Law School during the early eighties we we taught to research an issue or simular question of law. We had to search an index of hundreds of book! Books were so expensive. Then came Thank God computers. You mearly start a general search the follow the trail! "luger" is too broad but luger paired with 'Imperial commercial artillery' hit paydirt! Start your search and than limit to to a year or type. I have learned more than any book doing searchs and the limiting it~ Give it a try and you will find your luger goldmine!!
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