Henri Sivonen wrote: > (FWIW, my .bib has remarkably few items that have ISBNs.)
Do you mean your .bib is largely journal articles (which wouldn't have ISBNs, since they aren't books) or that it mostly consists of books most published before c. 1970? Or do you mean you or your cataloguing software simply haven't recorded ISBNs for newer books? -- Benjamin Hawkes-Lewis