Series A-B volumes of the Thesaurus Patrum Latinorum
(Formae et Lemmata) contain an Enumeratio
lemmatum, a Concordantia lemmatum et formarum, an
Index formarum et lemmatum, an Index lemmatum a tergo
ordinatorum, and a Tabula frequentiarum. Part of the
information is printed while the other part is on
microfiche.