Pal (dog) - Wikipedia

The Lassie effect: Movies drive our preference for certain dog breeds, Science

Lassie dog hi-res stock photography and images - Alamy

Rough Collie Training

The Collie Dog. The television series “Lassie” made…, by Pets Feed, The Pets Club

Oversized 1960s Ceramic Collie Lassie Dog Figure

Lassie Got Help, Would Your Dog? - The New York Times

Meet Lassie!! : r/roughcollies

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Dog lover spends £12,500 transforming himself into a collie