1938 Encyclopedic entry
1938 Encyclopedic entry
1938 Encyclopedic entry
Scheveningen, 1942 Manuscript
1918 Article
Comment (German) on ‘Dierenbescherming in het schoolprogram’ by Kirstin Zeyer
1935, Niagara Falls Notes
1936 Speech
1938 Encyclopedic entry
1938 Encyclopedic entry
1938 Encyclopedic entry
1938 Encyclopedic entry
1938 Encyclopedic entry
1929 Speech
Comment (English) on ‘Godsbegrip’ by Inigo Bocken
1921 Article
Comment (English) on ‘De verspreiding van het H. Scapulier in Nederland’ by Peter Nissen
English translation of fragments of ‘De verspreiding van het H. Scapulier in Nederland’ by Susan Verkerk-Wheatley / Anne-Marie Bos
Comment (English) on ‘Jan Pelgrim Pullen’ by Huub Welzen
English translation of fragments of the articles on Jan Pelgrim Pullen by Susan Verkerk-Wheatley / Anne-Marie Bos
1942
1936 Encyclopedic entry
1937 Encyclopedic entry
1936 Encyclopedic entry
1938 Speech