@book {De Heer 2019, title = {Guigo II de Kartuizer: De ladder van de kloosterlingen. Spiritualiteit van de lectio divina}, year = {2019}, pages = {240}, address = {Middelburg}, keywords = {Guigo II O.Cart.: Scala claustralium (translatio Nederlandica), lectio divina}, author = {De Heer, Jos} }