Unknown2023-11-172023-11-171911Unknown, (1911) Ist Congress International D’ Entomologie Bruxelles, aout 1910, Volume II: Memoires. Hayez, Imprimuer Des Academic Royales, Bruxelles.https://frirepo.bestbookbuddies.com/handle/123456789/1057enIst Congress International D’ Entomologie Bruxelles, aout 1910, Volume II: Memoires.Book