![](https://play-lh.googleusercontent.com/EGemoI2NTXmTsBVtJqk8jxF9rh8ApRWfsIMQSt2uE4OcpQqbFu7f7NbTK05lx80nuSijCz7sc3a277R67g=s32)
A Google user
I'm a collector of vintage securities, and I use this (and a 1910 issue also in Google Books, plus a 1906 I bought for $195!) in my research.
It is useful for following mergers, for determining the business activities of companies and deciphering officer signatures on certificates. I also use it to follow the financial fortunes of companies.
Very good book.