Transistor substitute help

[maclvrbr]

I looked through the list provided but have a few transistor substitutes needed for the amplifiers in a marantz 300dc
2sk109 JFET
2sa879
2sc1573
2sa977
2sc2257
2sa968
2sc735
2sa562
ZD bz 310
2sc1573. I am having a problem finding a sub for these. Thanks for any resources finding them.