Programma taptoe Delft 1960 Programma taptoe Delft 1961 / [foto's Gerrit Burg] 10de taptoe Delft 1963 Taptoe Delft programma 1964 Programma taptoe Delft 1965 Taptoe Delft 1966 Taptoe Delft ' 67 Taptoe Delft [1968] Taptoe Delft 69 / [Comité Taptoe Delft] Taptoe Delft 1970 Taptoe Delft 1971 Taptoe Delft 1972