Alternator and Power Steering Pump ?????

[Orange70chevy]

I went looking in junk yard today to find me a power steering pump and bracket, pulleys, and alternator brackets for a short water pump. One guy told me that you can still get the alternator brackets from the chevy dealers. He said that the vetts used the same bracket until 82 is this true? Also could some one post some photos of what a power steering pump brackets look like. I think I got the correct one it mounts to the bottem of the block and bolts to the engine mount is this correct. Is there a part # on the pulleys this one place had a trunk full of small block pulleys I just don't know which one I need.
Thanks for any help or input
Jason