Opgaves
| opgave | kloekecode | plaats | bronopgave | datering |
|---|---|---|---|---|
| phispot* | E065p | Uitgeest | MI 17 (1949) | 1949 |
| piespot | K115p | Opijnen | MI 17 (1949) | 1949 |
| pispot | C038a | Garsthuizen | MI 17 (1949) | 1949 |
| pispot | F073p | Ruinerwold | MI 17 (1949) | 1949 |
| pispot | F118p | Olst | MI 17 (1949) | 1949 |
| pispot | G112q | Hoogengraven | MI 17 (1949) | 1949 |
| pispot | G206p | Gammelke | MI 17 (1949) | 1949 |
| pispotə | L012p | Kesteren | MI 17 (1949) | 1949 |
| pispotten | C029p | Warffum | MI 17 (1949) | 1949 |
| pispotten | C077q | Wittewierum | MI 17 (1949) | 1949 |
| pispotten | C184q | Eexterzandvoort | MI 17 (1949) | 1949 |
| pispotten | F068p | Sint Jansklooster | MI 17 (1949) | 1949 |
| pispotten | F075p | De Wijk | MI 17 (1949) | 1949 |