The contract for "I can live" was made between Sijthoff's publisher in Leiden and Cora Nicolaï-Chaillet and Johan Niegeman. Texts and letters, 1956-1958.
The children's book 'De verhuizing' was published by Vermande Zonen Uitgevers in IJmuiden. Letters, a sample book of Annie M.G. Schmit, sketches and notes, 1961.