61
62
63
64
Date [s.a.]
“...
Portugal
...”
monografie
65
66
67
68
69
70
71
“...
Portugal
...”
monografie
72
73
74
75
“...
Portugal
...”
monografie
76
77
Bibliotheek François Vercammen By Frank, Pierre, Hansen, Joseph, Mandel, Ernest, Maitan, Livio
Date 1975
“...
Portugal
...”Date 1975
monografie
78
Date 1974
“...
Portugal
...”
meerdelige publicatie
79
“...
Portugal
...”
monografie
80
Overdruk uit 'Revue des études coopératives'. By Da Costa, Fernando Ferreira
Date 1980
“...
Portugal
...”Date 1980
brochure