1
Overdruk uit Revue des Etudes Coopératives nr 142, 1965. By Laserre, Georges
Date 1965
Subjects: ';
“...coöperaties...”Date 1965
brochure
2
Colloquium in Heiligenstein, 23-25 september 1963. By Laserre, Georges
Date 1964
Subjects: ';
“...coöperaties...”Date 1964
brochure