Castle Theme Sets - LEGO 6097 Night Lord's Castle Classic 90s Fright Knights New
LEGO Castle Sets – Brick Update
Castle | 1990 | Brickset: LEGO set guide and database
Replay Toys - Collection of 1990s LEGO Castle sets we just got in. **Monarch's Ghost set (6034) is missing the ghost. It will not be available until I get one to complete
BrickLink - Set 6090-1 : LEGO Royal Knight's Castle [Castle:Royal Knights] - BrickLink Reference Catalog