Lost Lassie [1932] ｜ ｜ ｜―Okar Lassie [1936] ｜ ｜―Okah Lassie [1936] ｜ ｜―Chassie Lassie [1948] ｜ ｜―Yvon [1960] ｜ ｜―Aquarian [1967]