If you want to make a direct link to just one inscription in the magnificent Clauss-Slaby database, here’s a way to do it. I should point out I found this out ages ago (I know not where, sadly, so anonymous credit is due), lost it, then rediscovered it!
The information on the inscription is conveyed to the database in the format of
A = corpus
B = year/volume
C = number
like this (note that the %20 is essential in each case to pass a ‘space’ character – you can’t have spaces in URLs).
Thus the diploma listing units discharged in Britain in AD 122, CIL XVI, 69 is
Alternatively, let’s try the inscription to Iulius Classicianus from London, AE 1936, 3
All you need to do is form your URL in a text editor, copy it, and paste it into the address bar of your browser. You can even use a URL shortener on the resulting page for posting in Twitter.
Easy when you know how 😉