Jules Moiroux was a former conserveteur of the cemetery and his map takes a totally different approach: he lays out the cemetery as we would recognize it today but then uses an alphanumeric grid system to locate specific graves.
Jules Moiroux, Guide Illustré du cimetière du Père-Lachaise: sépultures des personnages ayant un caractère Historique, Artistique & Parisien, Paris: 1908.
