Date: 24/12/1831
From: Nicolas Rouppe, bourgmestre de Bruxelles
To: A. Quetelet
Date: 24/12/1831
From: Adolphe Quetelet
To: Louis de Wellens van ten Meulenberg, Burgemeester van Brussel
Date: 31/01/1832
From: A. Quetelet
To: Bourgmestre de la Ville de Bruxelles
Date: 31/01/1832
From: Adolphe Quetelet
To: Nikolaas Rouppe, Burgemeester van Brussel
Date: 20/02/1832
From: Auguste Payen, architecte de la ville de Bruxelles
To: Bourgmestre et échevins de la Ville de Bruxelles
Date: 02/03/1832
From: J.L. Tieman, capitaine de bateau
To:
Date: 20/03/1832
From: Henri-Jean dit Johann Heinrich Kessels (1781-1849)
To: A. Quetelet
Date: 14/04/1832
From: Ph. Lestgarens, commissionnaire
To: A. Quetelet
Date: 21/04/1832
From: Ph. Lestgarens, commissionnaire
To: A. Quetelet
Date: 24/04/1832
From: Philippe Doncker, secrétaire général du Ministère de l'Intérieur
To: A. Quetelet