https://www.sothebys.com/en/auctions/ecatalogue/2019/vision-of-hong-kong-from-two-generations-yau-leung-lee-ka-sing-hk0879/lot.46.html
(#46) YAU LEUNG | Sparrow Companions (Sham Shui Po, 1963)
sham shui poyau leung46sparrowcompanions
https://www.sothebys.com/en/auctions/ecatalogue/2019/vision-of-hong-kong-from-two-generations-yau-leung-lee-ka-sing-hk0879/lot.34.html
(#34) YAU LEUNG | Street Youths (Wan Chai, 1961)
yau leungwan chai34streetyouths
https://lkml.org/lkml/2001/12/28/37
LKML: Leung Yau Wai: Re: dd cdrom error
leung yau wailkmlddcdromerror