Date: 08/03/1855
From: Félix Stappaerts, adjoint du secrétaire perpétuel de l’Académie Royale
To: A. Quetelet
Date: 11/03/1855
From: Arsène Beaulieu, mécanicien
To: A. Quetelet
Date: 17/03/1855
From: F. Thiry, pharmacien
To: A. Quetelet
Date: 20/03/1855
From: A. Quetelet
To: F. Thiry, pharmacien
Date: 21/03/1855
From: A. Quetelet
To: [document interne]
Date: 21/03/1855
From: Victor Bouvy, aide observateur
To: A. Quetelet
Date: 21/03/1855
From: Ferdinand Piercot, ministre de l’Intérieur
To: A. Quetelet
Date: 22/03/1855
From: Adolphe Nerenburger, directeur du Dépôt de la Guerre
To: A. Quetelet
Date: 25/03/1855
From: T. Ertel & Sohn, fabricants d’instruments
To: A. Quetelet
Date: 31/03/1855
From: Edouard Stevens, secrétaire général du Ministère de l’Intérieur
To: A. Quetelet