1938 An article in two parts
1938 Encyclopedic entry
1938 Encyclopedic entry
1938 Encyclopedic entry
1938 Encyclopedic entry
1938 Encyclopedic entry
1938 Encyclopedic entry
1938 Encyclopedic entry
1938 Encyclopedic entry
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
1938 Speech
1938 An article in four parts
1938 An article in three parts
1938 An article in six parts
1938 An article in three parts