Knapp wrote a thoughtful foreword for the new edition of the book.

Knappers gathered at the old manor to decide the future of their estate.

Knapper gave a moving speech about the importance of family at the awards ceremony.

The stone knappers demonstrated their technique to a crowd at the archaeological park.

The stone knapper demonstrated how to strike flakes from a core during the workshop.

Knapperberger has become known in the town for their generosity.

The engineer evaluated the knappability of the new connector before approving the design.

The Knappenbergers organized a neighborhood cleanup and invited everyone to join.

Knappenberger appears on my great-grandfather's immigration papers.

Knapperbergers gathered on the village green to celebrate the harvest festival.