For Swiss Lugers, this book...the new price is high but it can save you thousands of dollars in the long run :
It is written both in Italian and English, side-by-side on the same page. Big over-sized book with lots of color photos of museum-quality Swiss Lugers.
http://www.simpsonltd.com/product_in...oducts_id=2625
Even cheaper with shipping if you buy from Italy :
http://www.abebooks.com/servlet/Book...%3D42%26y%3D15