Looking for (1978 TVB) The Romantic Swordsman

(1978 TVB) The Romantic Swordsman (wikipedia link)
Does anyone know where I find this drama online?  
My great aunt wants to rewatch it
Old dramas prior 1990s is so hard to find. -_-"

TIA~~

(Also the (1976 TVB) Luk Siu Fung if anyone knows)