Geertruide van Oosten – Merkwaardige Geestelijke Oefeningen February 2019 By Bos (TBI) 1938 An article in four parts
H. Hartbeelden zonder hart June 2018 By Bos (TBI) 1921 Serial of six articles and a final message Articles by respectively Desiderius Cox and Titus Brandsma
De verspreiding van het H. Scapulier in Nederland May 2018 By Bos (TBI) 1921 An article in two parts.