[78-L] Columbia discographies

[David Lennick]

How many of you knew this existed? Geoffrey Wheeler just alerted me to it.
http://www.globaldogproductions.info/c/columbia-original-33-45-single-series.html
The interesting thing (one of many) is that while they used different prefixes, 
they had only one series of numbers!

Other Columbia discographies as well (I can't find a central or home page as yet).

dl