Alfa Romeo TZ book
If you're interested, the Alfa Romeo TZ book by Philippe Olczyk can be downloaded free from classicscars.com: Buy or sell a classic car : Ferrari, Maserati, Pagani... and look for chassis numbers
Chapter 1: Tz prototype, the real first TZ prototype and 1959 NY Auto Show
http://classicscars.com/books/pdf/chapter1.pdf (1,1 Mb)
Chapter 2: Alfa Romeo TZ, Press & Original Advertises
http://classicscars.com/books/pdf/chapter2.pdf (1,4 Mb)
Chapter 3: The most well known TZ in the world "750015"
http://classicscars.com/books/pdf/chapter3.pdf (1 Mb)
Chapter 4: Racing Results
http://classicscars.com/books/pdf/chapter4.pdf (11,4 Mb)
Chapter 5: Database of Chassis Numbers : TZ1 & TZ2
http://classicscars.com/books/pdf/chapter5.pdf (6,2 Mo)
Not the greates of quality, but it's free so who am I to complain 