Hi again......most/all libraries here use "codabar" or "code39" symbologies for both patrons &/or collection....after all, the bar-code is only a numerical record number for each book/patron.....so within any circulation system there would be a 'data field' for that 'number'/record. At least ...that's my understanding.....all the best Clive Robertson EAS services....Melbourne, Australia Elizabeth Spruill wrote:

Is there a certain symbology that Koha works with? I've been exploring the website and information, but so far haven't seen that information spelled out anywhere? Thanks so much for your help. Elizabeth