Correspondence with:
Bie, de, Leuveling Tjeenk
Corbusier, Le
Dodok, W.M.
Geddes, Norman-Bel
Municipal Housing Service Amsterdam
Joh. Enschedé and Sons
Krimpen, J., van
Mallet-Stevens, Rob
Mendelsohn, Erich
Mesnil, Jacques
Möhring, Bruno
Neret, Jean
Oud, J.J.P.
Roland Holst, Henriette
Roland Holst, R.N.
Rosse, Hermann
Royaards, Willem
Vereenigd Toneel Amsterdam
Verkade, Eduard
Wibaut, F.M.
Wijdeveld, Father
Wright, Frank Lloyd