Working with the French Archaeological Mission in the Valley of the Kings, he worked in the tomb of Ramesses IV (KV2). He also documented the tomb of Seti I and drew up plans for KV26, KV27, KV28, KV29, KV37, KV40, and KV59 and also WV24 and WV25. These plans, with the descriptions of their work, were published in the following: