Since 1971 the house's ground floor has contained a library of the author's manuscripts, original and subsequent editions, illustrations, books annotated and signed by Balzac, books devoted to Balzac, and other books and magazines of the period.
Sejak 1971 tingkat dasar rumah ini berisi perpustakaan manuskrip penulis, asli dan edisi sejenis, ilustrasi, buku yang ditandatangani Balzac, buku yang menceritakan Balzac, dan buku dan majalah lainnya pada masa itu.