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[caption id="attachment_79" align="alignnone" width="1482"] Inventory of Archives Nationales, JJ 84 (11v-12r)[/caption]On December 5, during our second plenar meeting, held in Valencia (Spain), we discussed (among other topics) various issues that we have encountered with the inventories of the French royal chancery registers. Until the HIMANIS project, those were the only tools available to find particular information in those registers. They exist in different formats: printed or handwritten; some are already converted in EAD (in different flavours), but, despite the efforts of the Archives Nationales, not all available for the general public yet.As we intend to use these inventories in the project in order to collect correct identifications for place and person names, as well as to evaluate the precision/recall of indexing, we need to have them in a interoperable electronic format (TEI / EAD).The oldest inventory which we will use, and the only one covering the entire corpus, is the three volume manuscript inventory made in the nineteenth century by A. Longnon and A. Coulon, providing very short Latin summaries for each document. This inventory was retyped by the Archives Nationales and converted in the EAD format.A second series of inventories encompass the geographical inventories which were elaborated for Gascogne; Languedoc and Rouergue; Berry, Blésois, Chartrain, Orléanais, Touraine. They cover the whole corpus (JJ 35 - JJ 266), but not all the acts in the corpus as they are limited by the region that they are interested in. It is also a short summary with index. We converted the OCR made by Gallica and converted them into TEI as already mentioned a year ago in our post on Named entities and ground-truth: progress reportModern systematic inventories elaborated by the Archives Nationales come in different formats: printed, typed or are still at manuscript stage (Registres du Trésor des Chartes, Inventaires analytique, 6 vol. in 3 t.). T. I: Philippe IV (1300-1314) [JJ 37 – 50] OCR by AN; EAD with subjects index coded Index (place names + persons) : TEI by IRHT T. II: Fils de Philippe le Bel (1314-1328) T.II.1 : Louis X, Philippe V (1314-1321) [JJ 50 – 60]: EAD by AN T.II.2 : Charles IV (1322-1328) [JJ 61 – 64]: TEI by IRHT No index existing T. III: Philippe de Valois (1328-1349) T. III.1 1328-1349 [JJ 65A – 69]: OCR by IRHT; TEI T. III.2 1336-1346 [JJ 70 – 75]: OCR by AN; EAD T. III.3 1339-1350 [JJ 76 – 79B]: OCR by AN; EAD Index (subjects, person, place names, chancery notes): OCR by IRHT; TEITyped unpublished inventories have been retyped by the Archives Nationales (AN) : Jean II and Charles Dauphin JJ 80 – JJ 81: OCR by AN; plain text converted to TEI JJ 83: OCR by AN; .xls to be converted to TEI JJ 82 – 95: Ms. Index on cardboard files (persons and subjects) about 30.000 files; re-typed by AN JJ 96 – 97: Ms. Index on cardboard files (persons, place names, subject): 4.500 files; retyped by AN Charles V (1364-1366)rc JJ 96 to JJ 98: abstracts and index in .xls to be converted to TEILast but not least, our main concern were with the 12 inventories that  were still in handwritten stage (JJ84-95 or about 1400 pages). Those where remained in the manuscript (JJ84-95 for the reign of Jean II and a part of Charles V). We therefore asked our partner A2ia if they can perform HTR on those. But how did we proceed to achieve this task?&#160;First, the AN provided us with high resolution reproduction of those 12 inventories, or 1429 pages, at 300 dpi in tiff format. We then produce ground truth, which consisted of the 4 first pages of each inventories (1079 lines of text). Then A2ia trained and performed HTR. We were lucky as the inventory have only one hand and as the layout is very stable from one inventories to the other. Using a standard French model and lexicon from the printed inventories, this operation was able to be carried out quickly in less then 4 weeks and produced results that went beyond our expectations with a very high recognition rate and transcript almost usable as is.