http://www.yamkimfai.net/movies/movie-law.htm

movie database of all yam's movie

click on the flower or the word vcd to see more

go to the bottom click on the other stars name and see more the database is sorted by co star who performed with yam kim fai

enjoy

Yam fans might also be interested in this recent publication, unfortunate, no English edition is planned:
http://www.hkiff.org.hk/eng/publications/archive.html